| Statistics | 
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0–9
- 1.96
 - 2SLS (two-stage least squares) – redirects to instrumental variable
 - 3SLS – see three-stage least squares
 - 68–95–99.7 rule
 - 100-year flood
 
A
- A priori probability
 - Abductive reasoning
 - Absolute deviation
 - Absolute risk reduction
 - Absorbing Markov chain
 - ABX test
 - Accelerated failure time model
 - Acceptable quality limit
 - Acceptance sampling
 - Accidental sampling
 - Accuracy and precision
 - Accuracy paradox
 - Acquiescence bias
 - Actuarial science
 - Adapted process
 - Adaptive estimator
 - Additive Markov chain
 - Additive model
 - Additive smoothing
 - Additive white Gaussian noise
 - Adjusted Rand index – see Rand index (subsection)
 - ADMB – software
 - Admissible decision rule
 - Age adjustment
 - Age-standardized mortality rate
 - Age stratification
 - Aggregate data
 - Aggregate pattern
 - Akaike information criterion
 - Algebra of random variables
 - Algebraic statistics
 - Algorithmic inference
 - Algorithms for calculating variance
 - All models are wrong
 - All-pairs testing
 - Allan variance
 - Alignments of random points
 - Almost surely
 - Alpha beta filter
 - Alternative hypothesis
 - Analyse-it – software
 - Analysis of categorical data
 - Analysis of covariance
 - Analysis of molecular variance
 - Analysis of rhythmic variance
 - Analysis of variance
 - Analytic and enumerative statistical studies
 - Ancestral graph
 - Anchor test
 - Ancillary statistic
 - ANCOVA – redirects to Analysis of covariance
 - Anderson–Darling test
 - ANOVA
 - ANOVA on ranks
 - ANOVA–simultaneous component analysis
 - Anomaly detection
 - Anomaly time series
 - Anscombe transform
 - Anscombe's quartet
 - Antecedent variable
 - Antithetic variates
 - Approximate Bayesian computation
 - Approximate entropy
 - Arcsine distribution
 - Area chart
 - Area compatibility factor
 - ARGUS distribution
 - Arithmetic mean
 - Armitage–Doll multistage model of carcinogenesis
 - Arrival theorem
 - Artificial neural network
 - Ascertainment bias
 - ASReml – software
 - Association (statistics)
 - Association mapping
 - Association scheme
 - Assumed mean
 - Astrostatistics
 - Asymptotic distribution
 - Asymptotic equipartition property (information theory)
 - Asymptotic normality – redirects to Asymptotic distribution
 - Asymptotic relative efficiency – redirects to Efficiency (statistics)
 - Asymptotic theory (statistics)
 - Atkinson index
 - Attack rate
 - Augmented Dickey–Fuller test
 - Aumann's agreement theorem
 - Autocorrelation
- Autocorrelation plot – redirects to Correlogram
 
 - Autocovariance
 - Autoregressive conditional duration
 - Autoregressive conditional heteroskedasticity
 - Autoregressive fractionally integrated moving average
 - Autoregressive integrated moving average
 - Autoregressive model
 - Autoregressive–moving-average model
 - Auxiliary particle filter
 - Average
 - Average treatment effect
 - Averaged one-dependence estimators
 - Azuma's inequality
 
B
- BA model – model for a random network
 - Backfitting algorithm
 - Balance equation
 - Balanced incomplete block design – redirects to Block design
 - Balanced repeated replication
 - Balding–Nichols model
 - Banburismus – related to Bayesian networks
 - Bangdiwala's B
 - Bapat–Beg theorem
 - Bar chart
 - Barabási–Albert model
 - Barber–Johnson diagram
 - Barnard's test
 - Barnardisation
 - Barnes interpolation
 - Bartlett's method
 - Bartlett's test
 - Bartlett's theorem
 - Base rate
 - Baseball statistics
 - Basu's theorem
 - Bates distribution
 - Baum–Welch algorithm
 - Bayes classifier
 - Bayes error rate
 - Bayes estimator
 - Bayes factor
 - Bayes linear statistics
 - Bayes' rule
 - Bayes' theorem
 - Bayesian – disambiguation
 - Bayesian average
 - Bayesian brain
 - Bayesian econometrics
 - Bayesian experimental design
 - Bayesian game
 - Bayesian inference
 - Bayesian inference in marketing
 - Bayesian inference in phylogeny
 - Bayesian inference using Gibbs sampling
 - Bayesian information criterion
 - Bayesian linear regression
 - Bayesian model comparison – see Bayes factor
 - Bayesian multivariate linear regression
 - Bayesian network
 - Bayesian probability
 - Bayesian search theory
 - Bayesian spam filtering
 - Bayesian statistics
 - Bayesian tool for methylation analysis
 - Bayesian vector autoregression
 - BCMP network – queueing theory
 - Bean machine
 - Behrens–Fisher distribution
 - Behrens–Fisher problem
 - Belief propagation
 - Belt transect
 - Benford's law
 - Benini distribution
 - Bennett's inequality
 - Berkson error model
 - Berkson's paradox
 - Berlin procedure
 - Bernoulli distribution
 - Bernoulli process
 - Bernoulli sampling
 - Bernoulli scheme
 - Bernoulli trial
 - Bernstein inequalities (probability theory)
 - Bernstein–von Mises theorem
 - Berry–Esseen theorem
 - Bertrand's ballot theorem
 - Bertrand's box paradox
 - Bessel process
 - Bessel's correction
 - Best linear unbiased prediction
 - Beta (finance)
 - Beta-binomial distribution
 - Beta-binomial model
 - Beta distribution
 - Beta function – for incomplete beta function
 - Beta negative binomial distribution
 - Beta prime distribution
 - Beta rectangular distribution
 - Beverton–Holt model
 - Bhatia–Davis inequality
 - Bhattacharya coefficient – redirects to Bhattacharyya distance
 - Bias (statistics)
 - Bias of an estimator
 - Biased random walk (biochemistry)
 - Biased sample – see Sampling bias
 - Biclustering
 - Big O in probability notation
 - Bienaymé–Chebyshev inequality
 - Bills of Mortality
 - Bimodal distribution
 - Binary classification
 - Bingham distribution
 - Binomial distribution
 - Binomial proportion confidence interval
 - Binomial regression
 - Binomial test
 - Bioinformatics
 - Biometrics (statistics) – redirects to Biostatistics
 - Biostatistics
 - Biplot
 - Birnbaum–Saunders distribution
 - Birth–death process
 - Bispectrum
 - Bivariate analysis
 - Bivariate von Mises distribution
 - Black–Scholes
 - Bland–Altman plot
 - Blind deconvolution
 - Blind experiment
 - Block design
 - Blocking (statistics)
 - BMDP – software
 - Bochner's theorem
 - Bonferroni correction
 - Bonferroni inequalities – redirects to Boole's inequality
 - Boole's inequality
 - Boolean analysis
 - Bootstrap aggregating
 - Bootstrap error-adjusted single-sample technique
 - Bootstrapping (statistics)
 - Bootstrapping populations
 - Borel–Cantelli lemma
 - Bose–Mesner algebra
 - Box–Behnken design
 - Box–Cox distribution
 - Box–Cox transformation – redirects to Power transform
 - Box–Jenkins
 - Box–Muller transform
 - Box–Pierce test
 - Box plot
 - Branching process
 - Bregman divergence
 - Breusch–Godfrey test
 - Breusch–Pagan statistic – redirects to Breusch–Pagan test
 - Breusch–Pagan test
 - Brown–Forsythe test
 - Brownian bridge
 - Brownian excursion
 - Brownian motion
 - Brownian tree
 - Bruck–Ryser–Chowla theorem
 - Burke's theorem
 - Burr distribution
 - Business statistics
 - Bühlmann model
 - Buzen's algorithm
 - BV4.1 (software)
 
C
- c-chart
 - Càdlàg
 - Calculating demand forecast accuracy
 - Calculus of predispositions
 - Calibrated probability assessment
 - Calibration (probability) – subjective probability, redirects to Calibrated probability assessment
 - Calibration (statistics) – the statistical calibration problem
 - Cancer cluster
 - Candlestick chart
 - Canonical analysis
 - Canonical correlation
 - Canopy clustering algorithm
 - Cantor distribution
 - Carpet plot
 - Cartogram
 - Case-control – redirects to Case-control study
 - Case-control study
 - Catastro of Ensenada – a census of part of Spain
 - Categorical data
 - Categorical distribution
 - Categorical variable
 - Cauchy distribution
 - Cauchy–Schwarz inequality
 - Causal Markov condition
 - CDF-based nonparametric confidence interval
 - Ceiling effect (statistics)
 - Cellular noise
 - Censored regression model
 - Censoring (clinical trials)
 - Censoring (statistics)
 - Centering matrix
 - Centerpoint (geometry) – to which Tukey median redirects
 - Central composite design
 - Central limit theorem
 - Central moment
 - Central tendency
 - Census
 - Cepstrum
 - CHAID – CHi-squared Automatic Interaction Detector
 - Chain rule for Kolmogorov complexity
 - Challenge–dechallenge–rechallenge
 - Champernowne distribution
 - Change detection
 - Chapman–Kolmogorov equation
 - Chapman–Robbins bound
 - Characteristic function (probability theory)
 - Chauvenet's criterion
 - Chebyshev center
 - Chebyshev's inequality
 - Checking if a coin is biased – redirects to Checking whether a coin is fair
 - Checking whether a coin is fair
 - Cheeger bound
 - Chemometrics
 - Chernoff bound – a special case of Chernoff's inequality
 - Chernoff face
 - Chernoff's distribution
 - Chernoff's inequality
 - Chi distribution
 - Chi-squared distribution
 - Chi-squared test
 - Chinese restaurant process
 - Choropleth map
 - Chou's invariance theorem
 - Chow test
 - Chronux software
 - Circular analysis
 - Circular distribution
 - Circular error probable
 - Circular statistics – redirects to Directional statistics
 - Circular uniform distribution
 - Civic statistics
 - Clark–Ocone theorem
 - Class membership probabilities
 - Classic data sets
 - Classical definition of probability
 - Classical test theory – psychometrics
 - Classification rule
 - Classifier (mathematics)
 - Climate ensemble
 - Climograph
 - Clinical significance
 - Clinical study design
 - Clinical trial
 - Clinical utility of diagnostic tests
 - Cliodynamics
 - Closed testing procedure
 - Cluster analysis
 - Cluster randomised controlled trial
 - Cluster sampling
 - Cluster-weighted modeling
 - Clustering high-dimensional data
 - CMA-ES (Covariance Matrix Adaptation Evolution Strategy)
 - Coalescent theory
 - Cochran's C test
 - Cochran's Q test
 - Cochran's theorem
 - Cochran–Armitage test for trend
 - Cochran–Mantel–Haenszel statistics
 - Cochrane–Orcutt estimation
 - Coding (social sciences)
 - Coefficient of coherence – redirects to Coherence (statistics)
 - Coefficient of determination
 - Coefficient of dispersion
 - Coefficient of variation
 - Cognitive pretesting
 - Cohen's class distribution function – a time-frequency distribution function
 - Cohen's kappa
 - Coherence (signal processing)
 - Coherence (statistics)
 - Cohort (statistics)
 - Cohort effect
 - Cohort study
 - Cointegration
 - Collectively exhaustive events
 - Collider (epidemiology)
 - Combinatorial data analysis
 - Combinatorial design
 - Combinatorial meta-analysis
 - Common-method variance
 - Common mode failure
 - Common cause and special cause (statistics)
 - Comonotonicity
 - Comparing means
 - Comparison of general and generalized linear models
 - Comparison of statistical packages
 - Comparisonwise error rate
 - Complementary event
 - Complete-linkage clustering
 - Complete spatial randomness
 - Completely randomized design
 - Completeness (statistics)
 - Compositional data
 - Composite bar chart
 - Compound Poisson distribution
 - Compound Poisson process
 - Compound probability distribution
 - Computational formula for the variance
 - Computational learning theory
 - Computational statistics
 - Computer experiment
 - Computer-assisted survey information collection
 - Concomitant (statistics)
 - Concordance correlation coefficient
 - Concordant pair
 - Concrete illustration of the central limit theorem
 - Concurrent validity
 - Conditional change model
 - Conditional distribution – see Conditional probability distribution
 - Conditional dependence
 - Conditional expectation
 - Conditional independence
 - Conditional probability
 - Conditional probability distribution
 - Conditional random field
 - Conditional variance
 - Conditionality principle
 - Confidence band – redirects to Confidence and prediction bands
 - Confidence distribution
 - Confidence interval
 - Confidence region
 - Configural frequency analysis
 - Confirmation bias
 - Confirmatory factor analysis
 - Confounding
 - Confounding factor
 - Confusion of the inverse
 - Congruence coefficient
 - Conjoint analysis
 - Conjugate prior
 - Consensus-based assessment
 - Consensus clustering
 - Consensus forecast
 - Conservatism (belief revision)
 - Consistency (statistics)
 - Consistent estimator
 - Constant elasticity of substitution
 - Constant false alarm rate
 - Constraint (information theory)
 - Consumption distribution
 - Contact process (mathematics)
 - Content validity
 - Contiguity (probability theory)
 - Contingency table
 - Continuity correction
 - Continuous distribution – see Continuous probability distribution
 - Continuous mapping theorem
 - Continuous probability distribution
 - Continuous stochastic process
 - Continuous-time Markov process
 - Continuous-time stochastic process
 - Contrast (statistics)
 - Control chart
 - Control event rate
 - Control limits
 - Control variate
 - Controlling for a variable
 - Convergence of measures
 - Convergence of random variables
 - Convex hull
 - Convolution of probability distributions
 - Convolution random number generator
 - Conway–Maxwell–Poisson distribution
 - Cook's distance
 - Cophenetic correlation
 - Copula (statistics)
 - Cornish–Fisher expansion
 - Correct sampling
 - Correction for attenuation
 - Correlation
 - Correlation and dependence
 - Correlation does not imply causation
 - Correlation clustering
 - Correlation function
 - Correlation inequality
 - Correlation ratio
 - Correlogram
 - Correspondence analysis
 - Cosmic variance
 - Cost-of-living index
 - Count data
 - Counternull
 - Counting process
 - Covariance
 - Covariance and correlation
 - Covariance intersection
 - Covariance matrix
 - Covariance function
 - Covariate
 - Cover's theorem
 - Coverage probability
 - Cox process
 - Cox's theorem
 - Cox–Ingersoll–Ross model
 - Cramér–Rao bound
 - Cramér–von Mises criterion
 - Cramér’s decomposition theorem
 - Cramér's theorem (large deviations)
 - Cramér's V
 - Craps principle
 - Credal set
 - Credible interval
 - Cricket statistics
 - Crime statistics
 - Critical region – redirects to Statistical hypothesis testing
 - Cromwell's rule
 - Cronbach's α
 - Cross-correlation
 - Cross-covariance
 - Cross-entropy method
 - Cross-sectional data
 - Cross-sectional regression
 - Cross-sectional study
 - Cross-spectrum
 - Cross tabulation
 - Cross-validation (statistics)
 - Crossover study
 - Crystal Ball function – a probability distribution
 - Cumulant
 - Cumulant generating function – redirects to cumulant
 - Cumulative accuracy profile
 - Cumulative distribution function
 - Cumulative frequency analysis
 - Cumulative incidence
 - Cunningham function
 - CURE data clustering algorithm
 - Curve fitting
 - CUSUM
 - Cuzick–Edwards test
 - Cyclostationary process
 
D
- d-separation
 - D/M/1 queue
 - D'Agostino's K-squared test
 - Dagum distribution
 - DAP – open source software
 - Data analysis
 - Data assimilation
 - Data binning
 - Data classification (business intelligence)
 - Data cleansing
 - Data clustering
 - Data collection
 - Data Desk – software
 - Data dredging
 - Data fusion
 - Data generating process
 - Data mining
 - Data reduction
 - Data point
 - Data quality assurance
 - Data set
 - Data-snooping bias
 - Data stream clustering
 - Data transformation (statistics)
 - Data visualization
 - DataDetective – software
 - Dataplot – software
 - Davies–Bouldin index
 - Davis distribution
 - De Finetti's game
 - De Finetti's theorem
 - DeFries–Fulker regression
 - de Moivre's law
 - De Moivre–Laplace theorem
 - Decision boundary
 - Decision theory
 - Decomposition of time series
 - Degenerate distribution
 - Degrees of freedom (statistics)
 - Delaporte distribution
 - Delphi method
 - Delta method
 - Demand forecasting
 - Deming regression
 - Demographics
 - Demography
 - Dendrogram
 - Density estimation
 - Dependent and independent variables
 - Descriptive research
 - Descriptive statistics
 - Design effect
 - Design matrix
 - Design of experiments
- The Design of Experiments (book by Fisher)
 
 - Detailed balance
 - Detection theory
 - Determining the number of clusters in a data set
 - Detrended correspondence analysis
 - Detrended fluctuation analysis
 - Deviance (statistics)
 - Deviance information criterion
 - Deviation (statistics)
 - Deviation analysis (disambiguation)
 - DFFITS – a regression diagnostic
 - Diagnostic odds ratio
 - Dickey–Fuller test
 - Difference in differences
 - Differential entropy
 - Diffusion process
 - Diffusion-limited aggregation
 - Dimension reduction
 - Dilution assay
 - Direct relationship
 - Directional statistics
 - Dirichlet distribution
 - Dirichlet-multinomial distribution
 - Dirichlet process
 - Disattenuation
 - Discrepancy function
 - Discrete choice
 - Discrete choice analysis
 - Discrete distribution – redirects to section of Probability distribution
 - Discrete frequency domain
 - Discrete phase-type distribution
 - Discrete probability distribution – redirects to section of Probability distribution
 - Discrete time
 - Discretization of continuous features
 - Discriminant function analysis
 - Discriminative model
 - Disorder problem
 - Distance correlation
 - Distance sampling
 - Distributed lag
 - Distribution fitting
 - Divergence (statistics)
 - Diversity index
 - Divisia index
 - Divisia monetary aggregates index
 - Dixon's Q test
 - Dominating decision rule
 - Donsker's theorem
 - Doob decomposition theorem
 - Doob martingale
 - Doob's martingale convergence theorems
 - Doob's martingale inequality
 - Doob–Meyer decomposition theorem
 - Doomsday argument
 - Dot plot (bioinformatics)
 - Dot plot (statistics)
 - Double counting (fallacy)
 - Double descent
 - Double exponential distribution (disambiguation)
 - Double mass analysis
 - Doubly stochastic model
 - Drift rate – redirects to Stochastic drift
 - Dudley's theorem
 - Dummy variable (statistics)
 - Duncan's new multiple range test
 - Dunn index
 - Dunnett's test
 - Durbin test
 - Durbin–Watson statistic
 - Dutch book
 - Dvoretzky–Kiefer–Wolfowitz inequality
 - Dyadic distribution
 - Dynamic Bayesian network
 - Dynamic factor
 - Dynamic topic model
 
E
- E-statistic
 - Earth mover's distance
 - Eaton's inequality
 - Ecological correlation
 - Ecological fallacy
 - Ecological regression
 - Ecological study
 - Econometrics
 - Econometric model
 - Econometric software – redirects to Comparison of statistical packages
 - Economic data
 - Economic epidemiology
 - Economic statistics
 - Eddy covariance
 - Edgeworth series
 - Effect size
 - Efficiency (statistics)
 - Efficient estimator
 - Ehrenfest model
 - Elastic map
 - Elliptical distribution
 - Ellsberg paradox
 - Elston–Stewart algorithm
 - EMG distribution
 - Empirical
 - Empirical Bayes method
 - Empirical distribution function
 - Empirical likelihood
 - Empirical measure
 - Empirical orthogonal functions
 - Empirical probability
 - Empirical process
 - Empirical statistical laws
 - Endogeneity (econometrics)
 - End point of clinical trials
 - Energy distance
 - Energy statistics (disambiguation)
 - Encyclopedia of Statistical Sciences (book)
 - Engineering statistics
 - Engineering tolerance
 - Engset calculation
 - Ensemble forecasting
 - Ensemble Kalman filter
 - Entropy (information theory)
 - Entropy estimation
 - Entropy power inequality
 - Environmental statistics
 - Epi Info – software
 - Epidata – software
 - Epidemic model
 - Epidemiological methods
 - Epilogism
 - Epitome (image processing)
 - Epps effect
 - Equating – test equating
 - Equipossible
 - Equiprobable
 - Erdős–Rényi model
 - Erlang distribution
 - Ergodic theory
 - Ergodicity
 - Error bar
 - Error correction model
 - Error function
 - Errors and residuals in statistics
 - Errors-in-variables models
 - An Essay towards solving a Problem in the Doctrine of Chances
 - Estimating equations
 - Estimation theory
 - Estimation of covariance matrices
 - Estimation of signal parameters via rotational invariance techniques
 - Estimator
 - Etemadi's inequality
 - Ethical problems using children in clinical trials
 - Event (probability theory)
 - Event study
 - Evidence lower bound
 - Evidence under Bayes theorem
 - Evolutionary data mining
 - Ewens's sampling formula
 - EWMA chart
 - Exact statistics
 - Exact test
 - Examples of Markov chains
 - Excess risk
 - Exchange paradox
 - Exchangeable random variables
 - Expander walk sampling
 - Expectation–maximization algorithm
 - Expectation propagation
 - Expected mean squares
 - Expected utility hypothesis
 - Expected value
 - Expected value of sample information
 - Experiment
 - Experimental design diagram
 - Experimental event rate
 - Experimental uncertainty analysis
 - Experimenter's bias
 - Experimentwise error rate
 - Explained sum of squares
 - Explained variation
 - Explanatory variable
 - Exploratory data analysis
 - Exploratory factor analysis
 - Exponential dispersion model
 - Exponential distribution
 - Exponential family
 - Exponential-logarithmic distribution
 - Exponential power distribution – redirects to Generalized normal distribution
 - Exponential random numbers – redirect to subsection of Exponential distribution
 - Exponential smoothing
 - Exponentially modified Gaussian distribution
 - Exponentiated Weibull distribution
 - Exposure variable
 - Extended Kalman filter
 - Extended negative binomial distribution
 - Extensions of Fisher's method
 - External validity
 - Extrapolation domain analysis
 - Extreme value theory
 - Extremum estimator
 
F
- F-distribution
 - F-divergence
 - F-statistics – population genetics
 - F-test
 - F-test of equality of variances
 - F1 score
 - Facet theory
 - Factor analysis
 - Factor regression model
 - Factor graph
 - Factorial code
 - Factorial experiment
 - Factorial moment
 - Factorial moment generating function
 - Failure rate
 - Fair coin
 - Falconer's formula
 - False discovery rate
 - False nearest neighbor algorithm
 - False negative
 - False positive
 - False positive rate
 - False positive paradox
 - Family-wise error rate
 - Fan chart (time series)
 - Fano factor
 - Fast Fourier transform
 - Fast Kalman filter
 - FastICA – fast independent component analysis
 - Fat-tailed distribution
 - Feasible generalized least squares
 - Feature extraction
 - Feller process
 - Feller's coin-tossing constants
 - Feller-continuous process
 - Felsenstein's tree-pruning algorithm – statistical genetics
 - Fides (reliability)
 - Fiducial inference
 - Field experiment
 - Fieller's theorem
 - File drawer problem
 - Filtering problem (stochastic processes)
 - Financial econometrics
 - Financial models with long-tailed distributions and volatility clustering
 - Finite-dimensional distribution
 - First-hitting-time model
 - First-in-man study
 - Fishburn–Shepp inequality
 - Fisher consistency
 - Fisher information
 - Fisher information metric
 - Fisher kernel
 - Fisher transformation
 - Fisher's exact test
 - Fisher's inequality
 - Fisher's linear discriminator
 - Fisher's method
 - Fisher's noncentral hypergeometric distribution
 - Fisher's z-distribution
 - Fisher–Tippett distribution – redirects to Generalized extreme value distribution
 - Fisher–Tippett–Gnedenko theorem
 - Five-number summary
 - Fixed effects estimator and Fixed effects estimation – redirect to Fixed effects model
 - Fixed-effect Poisson model
 - FLAME clustering
 - Fleiss' kappa
 - Fleming–Viot process
 - Flood risk assessment
 - Floor effect
 - Focused information criterion
 - Fokker–Planck equation
 - Folded normal distribution
 - Forecast bias
 - Forecast error
 - Forecast skill
 - Forecasting
 - Forest plot
 - Fork-join queue
 - Formation matrix
 - Forward measure
 - Foster's theorem
 - Foundations of statistics
 - Founders of statistics
 - Fourier analysis
 - Fowlkes–Mallows index
 - Fraction of variance unexplained
 - Fractional Brownian motion
 - Fractional factorial design
 - Fréchet distribution
 - Fréchet mean
 - Free statistical software
 - Freedman's paradox
 - Freedman–Diaconis rule
 - Freidlin–Wentzell theorem
 - Frequency (statistics)
 - Frequency distribution
 - Frequency domain
 - Frequency probability
 - Frequentist inference
 - Friedman test
 - Friendship paradox
 - Frisch–Waugh–Lovell theorem
 - Fully crossed design
 - Function approximation
 - Functional boxplot
 - Functional data analysis
 - Funnel plot
 - Fuzzy logic
 - Fuzzy measure theory
 - FWL theorem – relating regression and projection
 
G
- G/G/1 queue
 - G-network
 - G-test
 - Galbraith plot
 - Gallagher Index
 - Galton–Watson process
 - Galton's problem
 - Gambler's fallacy
 - Gambler's ruin
 - Gambling and information theory
 - Game of chance
 - Gamma distribution
 - Gamma test (statistics)
 - Gamma process
 - Gamma variate
 - GAUSS (software)
 - Gauss's inequality
 - Gauss–Kuzmin distribution
 - Gauss–Markov process
 - Gauss–Markov theorem
 - Gauss–Newton algorithm
 - Gaussian function
 - Gaussian isoperimetric inequality
 - Gaussian measure
 - Gaussian noise
 - Gaussian process
 - Gaussian process emulator
 - Gaussian q-distribution
 - Geary's C
 - GEH statistic – a statistic comparing modelled and observed counts
 - General linear model
 - Generalizability theory
 - Generalized additive model
 - Generalized additive model for location, scale and shape
 - Generalized beta distribution
 - Generalized canonical correlation
 - Generalized chi-squared distribution
 - Generalized Dirichlet distribution
 - Generalized entropy index
 - Generalized estimating equation
 - Generalized expected utility
 - Generalized extreme value distribution
 - Generalized gamma distribution
 - Generalized Gaussian distribution
 - Generalised hyperbolic distribution
 - Generalized inverse Gaussian distribution
 - Generalized least squares
 - Generalized linear array model
 - Generalized linear mixed model
 - Generalized linear model
 - Generalized logistic distribution
 - Generalized method of moments
 - Generalized multidimensional scaling
 - Generalized multivariate log-gamma distribution
 - Generalized normal distribution
 - Generalized p-value
 - Generalized Pareto distribution
 - Generalized Procrustes analysis
 - Generalized randomized block design
 - Generalized Tobit
 - Generalized Wiener process
 - Generative model
 - Genetic epidemiology
 - GenStat – software
 - Geo-imputation
 - Geodemographic segmentation
 - Geometric Brownian motion
 - Geometric data analysis
 - Geometric distribution
 - Geometric median
 - Geometric standard deviation
 - Geometric stable distribution
 - Geospatial predictive modeling
 - Geostatistics
 - German tank problem
 - Gerschenkron effect
 - Gibbs sampling
 - Gillespie algorithm
 - Gini coefficient
 - Girsanov theorem
 - Gittins index
 - GLIM (software) – software
 - Glivenko–Cantelli theorem
 - GLUE (uncertainty assessment)
 - Goldfeld–Quandt test
 - Gompertz distribution
 - Gompertz function
 - Gompertz–Makeham law of mortality
 - Good–Turing frequency estimation
 - Goodhart's law
 - Goodman and Kruskal's gamma
 - Goodman and Kruskal's lambda
 - Goodness of fit
 - Gordon–Newell network
 - Gordon–Newell theorem
 - Graeco-Latin square
 - Grand mean
 - Granger causality
 - Graph cuts in computer vision – a potential application of Bayesian analysis
 - Graphical model
 - Graphical models for protein structure
 - GraphPad InStat – software
 - GraphPad Prism – software
 - Gravity model of trade
 - Greenwood statistic
 - Gretl
 - Group family
 - Group method of data handling
 - Group size measures
 - Grouped data
 - Grubbs's test for outliers
 - Guess value
 - Guesstimate
 - Gumbel distribution
 - Guttman scale
 - Gy's sampling theory
 
H
- h-index
 - Hájek–Le Cam convolution theorem
 - Half circle distribution
 - Half-logistic distribution
 - Half-normal distribution
 - Halton sequence
 - Hamburger moment problem
 - Hannan–Quinn information criterion
 - Harris chain
 - Hardy–Weinberg principle – statistical genetics
 - Hartley's test
 - Hat matrix
 - Hammersley–Clifford theorem
 - Hausdorff moment problem
 - Hausman specification test – redirects to Hausman test
 - Haybittle–Peto boundary
 - Hazard function – redirects to Failure rate
 - Hazard ratio
 - Heaps' law
 - Health care analytics
 - Heart rate variability
 - Heavy-tailed distribution
 - Heckman correction
 - Hedonic regression
 - Hellin's law
 - Hellinger distance
 - Helmert–Wolf blocking
 - Herdan's law
 - Herfindahl index
 - Heston model
 - Heteroscedasticity
 - Heteroscedasticity-consistent standard errors
 - Heteroskedasticity – see Heteroscedasticity
 - Hidden Markov model
 - Hidden Markov random field
 - Hidden semi-Markov model
 - Hierarchical Bayes model
 - Hierarchical clustering
 - Hierarchical hidden Markov model
 - Hierarchical linear modeling
 - High-dimensional statistics
 - Higher-order factor analysis
 - Higher-order statistics
 - Hirschman uncertainty
 - Histogram
 - Historiometry
 - History of randomness
 - History of statistics
 - Hitting time
 - Hodges' estimator
 - Hodges–Lehmann estimator
 - Hoeffding's independence test
 - Hoeffding's lemma
 - Hoeffding's inequality
 - Holm–Bonferroni method
 - Holtsmark distribution
 - Homogeneity (statistics)
 - Homogenization (climate)
 - Homoscedasticity
 - Hoover index (a.k.a. Robin Hood index)
 - Horvitz–Thompson estimator
 - Hosmer–Lemeshow test
 - Hotelling's T-squared distribution
 - How to Lie with Statistics (book)
 - Howland will forgery trial
 - Hubbert curve
 - Huber–White standard error – see Heteroscedasticity-consistent standard errors
 - Huber loss function
 - Human subject research
 - Hurst exponent
 - Hyper-exponential distribution
 - Hyper-Graeco-Latin square design
 - Hyperbolic distribution
 - Hyperbolic secant distribution
 - Hypergeometric distribution
 - Hyperparameter
 - Hyperprior
 - Hypoexponential distribution
 
I
- Idealised population
 - Idempotent matrix
 - Identifiability
 - Ignorability
 - Illustration of the central limit theorem
 - Image denoising
 - Importance sampling
 - Imprecise probability
 - Impulse response
 - Imputation (statistics)
 - Incidence (epidemiology)
 - Increasing process
 - Indecomposable distribution
 - Independence of irrelevant alternatives
 - Independent component analysis
 - Independent and identically distributed random variables
 - Index (economics)
 - Index number
 - Index of coincidence
 - Index of dispersion
 - Index of dissimilarity
 - Indicators of spatial association
 - Indirect least squares
 - Inductive inference
 - An inequality on location and scale parameters – see Chebyshev's inequality
 - Inference
 - Inferential statistics – redirects to Statistical inference
 - Infinite divisibility (probability)
 - Infinite monkey theorem
 - Influence diagram
 - Info-gap decision theory
 - Information bottleneck method
 - Information geometry
 - Information gain ratio
 - Information ratio – finance
 - Information source (mathematics)
 - Information theory
 - Inherent bias
 - Inherent zero
 - Injury prevention – application
 - Innovation (signal processing)
 - Innovations vector
 - Institutional review board
 - Instrumental variable
 - Integrated nested Laplace approximations
 - Intention to treat analysis
 - Interaction (statistics)
 - Interaction variable – see Interaction (statistics)
 - Interclass correlation
 - Interdecile range
 - Interim analysis
 - Internal consistency
 - Internal validity
 - Interquartile mean
 - Interquartile range
 - Inter-rater reliability
 - Interval estimation
 - Intervening variable
 - Intra-rater reliability
 - Intraclass correlation
 - Invariant estimator
 - Invariant extended Kalman filter
 - Inverse distance weighting
 - Inverse distribution
 - Inverse Gaussian distribution
 - Inverse matrix gamma distribution
 - Inverse Mills ratio
 - Inverse probability
 - Inverse probability weighting
 - Inverse relationship
 - Inverse-chi-squared distribution
 - Inverse-gamma distribution
 - Inverse transform sampling
 - Inverse-variance weighting
 - Inverse-Wishart distribution
 - Iris flower data set
 - Irwin–Hall distribution
 - Isomap
 - Isotonic regression
 - Isserlis' theorem
 - Item response theory
 - Item-total correlation
 - Item tree analysis
 - Iterative proportional fitting
 - Iteratively reweighted least squares
 - Itô calculus
 - Itô isometry
 - Itô's lemma
 
J
- Jaccard index
 - Jackknife (statistics) – redirects to Resampling (statistics)
 - Jackson network
 - Jackson's theorem (queueing theory)
 - Jadad scale
 - James–Stein estimator
 - Jarque–Bera test
 - Jeffreys prior
 - Jensen's inequality
 - Jensen–Shannon divergence
 - JMulTi – software
 - Johansen test
 - Johnson SU distribution
 - Joint probability distribution
 - Jonckheere's trend test
 - JMP (statistical software)
 - Jump process
 - Jump-diffusion model
 - Junction tree algorithm
 
K
- K-distribution
 - K-means algorithm – redirects to k-means clustering
 - K-means++
 - K-medians clustering
 - K-medoids
 - K-statistic
 - Kalman filter
 - Kaplan–Meier estimator
 - Kappa coefficient
 - Kappa statistic
 - Karhunen–Loève theorem
 - Kendall tau distance
 - Kendall tau rank correlation coefficient
 - Kendall's notation
 - Kendall's W – Kendall's coefficient of concordance
 - Kent distribution
 - Kernel density estimation
 - Kernel Fisher discriminant analysis
 - Kernel methods
 - Kernel principal component analysis
 - Kernel regression
 - Kernel smoother
 - Kernel (statistics)
 - Khmaladze transformation (probability theory)
 - Killed process
 - Khintchine inequality
 - Kingman's formula
 - Kirkwood approximation
 - Kish grid
 - Kitchen sink regression
 - Klecka's tau
 - Knightian uncertainty
 - Kolmogorov backward equation
 - Kolmogorov continuity theorem
 - Kolmogorov extension theorem
 - Kolmogorov's criterion
 - Kolmogorov's generalized criterion
 - Kolmogorov's inequality
 - Kolmogorov's zero–one law
 - Kolmogorov–Smirnov test
 - KPSS test
 - Kriging
 - Kruskal–Wallis one-way analysis of variance
 - Kuder–Richardson Formula 20
 - Kuiper's test
 - Kullback's inequality
 - Kullback–Leibler divergence
 - Kumaraswamy distribution
 - Kurtosis
 - Kushner equation
 
L
- L-estimator
 - L-moment
 - Labour Force Survey
 - Lack-of-fit sum of squares
 - Lady tasting tea
 - Lag operator
 - Lag windowing
 - Lambda distribution – disambiguation
 - Landau distribution
 - Lander–Green algorithm
 - Language model
 - Laplace distribution
 - Laplace principle (large deviations theory)
 - LaplacesDemon – software
 - Large deviations theory
 - Large deviations of Gaussian random functions
 - LARS – see least-angle regression
 - Latent variable, latent variable model
 - Latent class model
 - Latent Dirichlet allocation
 - Latent growth modeling
 - Latent semantic analysis
 - Latin rectangle
 - Latin square
 - Latin hypercube sampling
 - Law (stochastic processes)
 - Law of averages
 - Law of comparative judgment
 - Law of large numbers
 - Law of the iterated logarithm
 - Law of the unconscious statistician
 - Law of total covariance
 - Law of total cumulance
 - Law of total expectation
 - Law of total probability
 - Law of total variance
 - Law of truly large numbers
 - Layered hidden Markov model
 - Le Cam's theorem
 - Lead time bias
 - Least absolute deviations
 - Least-angle regression
 - Least squares
 - Least-squares spectral analysis
 - Least squares support vector machine
 - Least trimmed squares
 - Learning theory (statistics)
 - Leftover hash-lemma
 - Lehmann–Scheffé theorem
 - Length time bias
 - Levene's test
 - Level of analysis
 - Level of measurement
 - Levenberg–Marquardt algorithm
 - Leverage (statistics)
 - Levey–Jennings chart – redirects to Laboratory quality control
 - Lévy's convergence theorem
 - Lévy's continuity theorem
 - Lévy arcsine law
 - Lévy distribution
 - Lévy flight
 - Lévy process
 - Lewontin's Fallacy
 - Lexis diagram
 - Lexis ratio
 - Lies, damned lies, and statistics
 - Life expectancy
 - Life table
 - Lift (data mining)
 - Likelihood function
 - Likelihood principle
 - Likelihood-ratio test
 - Likelihood ratios in diagnostic testing
 - Likert scale
 - Lilliefors test
 - Limited dependent variable
 - Limiting density of discrete points
 - Lincoln index
 - Lindeberg's condition
 - Lindley equation
 - Lindley's paradox
 - Line chart
 - Line-intercept sampling
 - Linear classifier
 - Linear discriminant analysis
 - Linear least squares
 - Linear model
 - Linear prediction
 - Linear probability model
 - Linear regression
 - Linguistic demography
 - Linnik distribution – redirects to Geometric stable distribution
 - LISREL – proprietary statistical software package
 - List of basic statistics topics – redirects to Outline of statistics
 - List of convolutions of probability distributions
 - List of graphical methods
 - List of information graphics software
 - List of probability topics
 - List of random number generators
 - List of scientific journals in statistics
 - List of statistical packages
 - List of statisticians
 - Listwise deletion
 - Little's law
 - Littlewood's law
 - Ljung–Box test
 - Local convex hull
 - Local independence
 - Local martingale
 - Local regression
 - Location estimation – redirects to Location parameter
 - Location estimation in sensor networks
 - Location parameter
 - Location test
 - Location-scale family
 - Local asymptotic normality
 - Locality (statistics)
 - Loess curve – redirects to Local regression
 - Log-Cauchy distribution
 - Log-Laplace distribution
 - Log-normal distribution
 - Log-linear analysis
 - Log-linear model
 - Log-linear modeling – redirects to Poisson regression
 - Log-log plot
 - Log-logistic distribution
 - Logarithmic distribution
 - Logarithmic mean
 - Logistic distribution
 - Logistic function
 - Logistic regression
 - Logit
 - Logit analysis in marketing
 - Logit-normal distribution
 - Log-normal distribution
 - Logrank test
 - Lomax distribution
 - Long-range dependency
 - Long Tail
 - Long-tail traffic
 - Longitudinal study
 - Longstaff–Schwartz model
 - Lorenz curve
 - Loss function
 - Lot quality assurance sampling
 - Lotka's law
 - Low birth weight paradox
 - Lucia de Berk – prob/stats related court case
 - Lukacs's proportion-sum independence theorem
 - Lumpability
 - Lusser's law
 - Lyapunov's central limit theorem
 
M
- M/D/1 queue
 - M/G/1 queue
 - M/M/1 queue
 - M/M/c queue
 - M-estimator
 - M-separation
 - Mabinogion sheep problem
 - Machine learning
 - Mahalanobis distance
 - Main effect
 - Mallows's Cp
 - MANCOVA
 - Manhattan plot
 - Mann–Whitney U
 - MANOVA
 - Mantel test
 - MAP estimator – redirects to Maximum a posteriori estimation
 - Marchenko–Pastur distribution
 - Marcinkiewicz–Zygmund inequality
 - Marcum Q-function
 - Margin of error
 - Marginal conditional stochastic dominance
 - Marginal distribution
 - Marginal likelihood
 - Marginal model
 - Marginal variable – redirects to Marginal distribution
 - Mark and recapture
 - Markov additive process
 - Markov blanket
 - Markov chain
 - Markov chain Monte Carlo
 - Markov decision process
 - Markov information source
 - Markov kernel
 - Markov logic network
 - Markov model
 - Markov network
 - Markov process
 - Markov property
 - Markov random field
 - Markov renewal process
 - Markov's inequality
 - Markovian arrival processes
 - Marsaglia polar method
 - Martingale (probability theory)
 - Martingale difference sequence
 - Martingale representation theorem
 - Master equation
 - Matched filter
 - Matching pursuit
 - Matching (statistics)
 - Matérn covariance function
 - Mathematica – software
 - Mathematical biology
 - Mathematical modelling in epidemiology
 - Mathematical modelling of infectious disease
 - Mathematical statistics
 - Matthews correlation coefficient
 - Matrix gamma distribution
 - Matrix normal distribution
 - Matrix population models
 - Matrix t-distribution
 - Mauchly's sphericity test
 - Maximal ergodic theorem
 - Maximal information coefficient
 - Maximum a posteriori estimation
 - Maximum entropy classifier – redirects to Logistic regression
 - Maximum-entropy Markov model
 - Maximum entropy method – redirects to Principle of maximum entropy
 - Maximum entropy probability distribution
 - Maximum entropy spectral estimation
 - Maximum likelihood
 - Maximum likelihood sequence estimation
 - Maximum parsimony
 - Maximum spacing estimation
 - Maxwell speed distribution
 - Maxwell–Boltzmann distribution
 - Maxwell's theorem
 - Mazziotta–Pareto index
 - MCAR (missing completely at random)
 - McCullagh's parametrization of the Cauchy distributions
 - McDiarmid's inequality
 - McDonald–Kreitman test – statistical genetics
 - McKay's approximation for the coefficient of variation
 - McNemar's test
 - Meadow's law
 - Mean
 - Mean – see also expected value
 - Mean absolute error
 - Mean absolute percentage error
 - Mean absolute scaled error
 - Mean and predicted response
 - Mean deviation (disambiguation)
 - Mean difference
 - Mean integrated squared error
 - Mean of circular quantities
 - Mean percentage error
 - Mean preserving spread
 - Mean reciprocal rank
 - Mean signed difference
 - Mean square quantization error
 - Mean square weighted deviation
 - Mean squared error
 - Mean squared prediction error
 - Mean time between failures
 - Mean-reverting process – redirects to Ornstein–Uhlenbeck process
 - Mean value analysis
 - Measurement, level of – see level of measurement.
 - Measurement invariance
 - MedCalc – software
 - Median
 - Median absolute deviation
 - Median polish
 - Median test
 - Mediation (statistics)
 - Medical statistics
 - Medoid
 - Memorylessness
 - Mendelian randomization
 - Meta-analysis
 - Meta-regression
 - Metalog distribution
 - Method of moments (statistics)
 - Method of simulated moments
 - Method of support
 - Metropolis–Hastings algorithm
 - Mexican paradox
 - Microdata (statistics)
 - Midhinge
 - Mid-range
 - MinHash
 - Minimax
 - Minimax estimator
 - Minimisation (clinical trials)
 - Minimum chi-square estimation
 - Minimum distance estimation
 - Minimum mean square error
 - Minimum-variance unbiased estimator
 - Minimum viable population
 - Minitab
 - MINQUE – minimum norm quadratic unbiased estimation
 - Misleading graph
 - Missing completely at random
 - Missing data
 - Missing values – see Missing data
 - Mittag–Leffler distribution
 - Mixed logit
 - Misuse of statistics
 - Mixed data sampling
 - Mixed-design analysis of variance
 - Mixed model
 - Mixing (mathematics)
 - Mixture distribution
 - Mixture model
 - Mixture (probability)
 - MLwiN
 - Mode (statistics)
 - Model output statistics
 - Model selection
 - Model specification
 - Moderator variable – redirects to Moderation (statistics)
 - Modifiable areal unit problem
 - Moffat distribution
 - Moment (mathematics)
 - Moment-generating function
 - Moments, method of – see method of moments (statistics)
 - Moment problem
 - Monotone likelihood ratio
 - Monte Carlo integration
 - Monte Carlo method
 - Monte Carlo method for photon transport
 - Monte Carlo methods for option pricing
 - Monte Carlo methods in finance
 - Monte Carlo molecular modeling
 - Moral graph
 - Moran process
 - Moran's I
 - Morisita's overlap index
 - Morris method
 - Mortality rate
 - Most probable number
 - Moving average
 - Moving-average model
 - Moving average representation – redirects to Wold's theorem
 - Moving least squares
 - Multi-armed bandit
 - Multi-vari chart
 - Multiclass classification
 - Multiclass LDA (linear discriminant analysis) – redirects to Linear discriminant analysis
 - Multicollinearity
 - Multidimensional analysis
 - Multidimensional Chebyshev's inequality
 - Multidimensional panel data
 - Multidimensional scaling
 - Multifactor design of experiments software
 - Multifactor dimensionality reduction
 - Multilevel model
 - Multilinear principal component analysis
 - Multinomial distribution
 - Multinomial logistic regression
 - Multinomial logit – see Multinomial logistic regression
 - Multinomial probit
 - Multinomial test
 - Multiple baseline design
 - Multiple comparisons
 - Multiple correlation
 - Multiple correspondence analysis
 - Multiple discriminant analysis
 - Multiple-indicator kriging
 - Multiple Indicator Cluster Survey
 - Multiple of the median
 - Multiple testing correction – redirects to Multiple comparisons
 - Multiple-try Metropolis
 - Multiresolution analysis
 - Multiscale decision making
 - Multiscale geometric analysis
 - Multistage testing
 - Multitaper
 - Multitrait-multimethod matrix
 - Multivariate adaptive regression splines
 - Multivariate analysis
 - Multivariate analysis of variance
 - Multivariate distribution – see Joint probability distribution
 - Multivariate kernel density estimation
 - Multivariate normal distribution
 - Multivariate Pareto distribution
 - Multivariate Pólya distribution
 - Multivariate probit – redirects to Multivariate probit model
 - Multivariate random variable
 - Multivariate stable distribution
 - Multivariate statistics
 - Multivariate Student distribution – redirects to Multivariate t-distribution
 - Multivariate t-distribution
 
N
- n = 1 fallacy
 - N of 1 trial
 - Naive Bayes classifier
 - Nakagami distribution
 - National and international statistical services
 - Nash–Sutcliffe model efficiency coefficient
 - National Health Interview Survey
 - Natural experiment
 - Natural exponential family
 - Natural process variation
 - NCSS (statistical software)
 - Nearest-neighbor chain algorithm
 - Negative binomial distribution
 - Negative multinomial distribution
 - Negative predictive value
 - Negative relationship
 - Negentropy
 - Neighbourhood components analysis
 - Neighbor joining
 - Nelson rules
 - Nelson–Aalen estimator
 - Nemenyi test
 - Nested case-control study
 - Nested sampling algorithm
 - Network probability matrix
 - Neural network
 - Neutral vector
 - Newcastle–Ottawa scale
 - Newey–West estimator
 - Newman–Keuls method
 - Neyer d-optimal test
 - Neyman construction
 - Neyman–Pearson lemma
 - Nicholson–Bailey model
 - Nominal category
 - Noncentral beta distribution
 - Noncentral chi distribution
 - Noncentral chi-squared distribution
 - Noncentral F-distribution
 - Noncentral hypergeometric distributions
 - Noncentral t-distribution
 - Noncentrality parameter
 - Nonlinear autoregressive exogenous model
 - Nonlinear dimensionality reduction
 - Non-linear iterative partial least squares
 - Nonlinear regression
 - Non-homogeneous Poisson process
 - Non-linear least squares
 - Non-negative matrix factorization
 - Nonparametric skew
 - Non-parametric statistics
 - Non-response bias
 - Non-sampling error
 - Nonparametric regression
 - Nonprobability sampling
 - Normal curve equivalent
 - Normal distribution
 - Normal probability plot – see also rankit
 - Normal score – see also rankit and Z score
 - Normal variance-mean mixture
 - Normal-exponential-gamma distribution
 - Normal-gamma distribution
 - Normal-inverse Gaussian distribution
 - Normal-scaled inverse gamma distribution
 - Normality test
 - Normalization (statistics)
 - Normally distributed and uncorrelated does not imply independent
 - Notation in probability and statistics
 - Novikov's condition
 - np-chart
 - Null distribution
 - Null hypothesis
 - Null result
 - Nuisance parameter
 - Nuisance variable
 - Numerical data
 - Numerical methods for linear least squares
 - Numerical parameter – redirects to statistical parameter
 - Numerical smoothing and differentiation
 - Nuremberg Code
 
O
- Observable variable
 - Observational equivalence
 - Observational error
 - Observational study
 - Observed information
 - Occupancy frequency distribution
 - Odds
 - Odds algorithm
 - Odds ratio
 - Official statistics
 - Ogden tables
 - Ogive (statistics)
 - Omitted-variable bias
 - Omnibus test
 - One- and two-tailed tests
 - One-class classification
 - One-factor-at-a-time method
 - One-tailed test – redirects to One- and two-tailed tests
 - One-way analysis of variance
 - Online NMF Online Non-negative Matrix Factorisation
 - Open-label trial
 - OpenEpi – software
 - OpenBUGS – software
 - Operational confound
 - Operational sex ratio
 - Operations research
 - Opinion poll
 - Optimal decision
 - Optimal design
 - Optimal discriminant analysis
 - Optimal matching
 - Optimal stopping
 - Optimality criterion
 - Optimistic knowledge gradient
 - Optional stopping theorem
 - Order of a kernel
 - Order of integration
 - Order statistic
 - Ordered logit
 - Ordered probit
 - Ordered subset expectation maximization
 - Ordinal regression
 - Ordinary least squares
 - Ordination (statistics)
 - Ornstein–Uhlenbeck process
 - Orthogonal array testing
 - Orthogonality
 - Orthogonality principle
 - Outlier
 - Outliers in statistics – redirects to Robust statistics (section)
 - Outliers ratio
 - Outline of probability
 - Outline of regression analysis
 - Outline of statistics
 - Overdispersion
 - Overfitting
 - Owen's T function
 - OxMetrics – software
 
P
- p-chart
 - p-rep
 - P-value
 - P–P plot
 - Page's trend test
 - Paid survey
 - Paired comparison analysis
 - Paired difference test
 - Pairwise comparison
 - Pairwise independence
 - Panel analysis
 - Panel data
 - Panjer recursion – a class of discrete compound distributions
 - Paley–Zygmund inequality
 - Parabolic fractal distribution
 - PARAFAC (parallel factor analysis)
 - Parallel coordinates – graphical display of data
 - Parallel factor analysis – redirects to PARAFAC
 - Paradigm (experimental)
 - Parameter identification problem
 - Parameter space
 - Parametric family
 - Parametric model
 - Parametric statistics
 - Pareto analysis
 - Pareto chart
 - Pareto distribution
 - Pareto index
 - Pareto interpolation
 - Pareto principle
 - Park test
 - Partial autocorrelation – redirects to Partial autocorrelation function
 - Partial autocorrelation function
 - Partial correlation
 - Partial least squares
 - Partial least squares regression
 - Partial leverage
 - Partial regression plot
 - Partial residual plot
 - Particle filter
 - Partition of sums of squares
 - Parzen window
 - Path analysis (statistics)
 - Path coefficient
 - Path space (disambiguation)
 - Pattern recognition
 - Pearson's chi-squared test (one of various chi-squared tests)
 - Pearson distribution
 - Pearson product-moment correlation coefficient
 - Pedometric mapping
 - People v. Collins (prob/stats related court case)
 - Per capita
 - Per-comparison error rate
 - Per-protocol analysis
 - Percentile
 - Percentile rank
 - Periodic variation – redirects to Seasonality
 - Periodogram
 - Peirce's criterion
 - Pensim2 – an econometric model
 - Percentage point
 - Permutation test – redirects to Resampling (statistics)
 - Pharmaceutical statistics
 - Phase dispersion minimization
 - Phase-type distribution
 - Phi coefficient
 - Phillips–Perron test
 - Philosophy of probability
 - Philosophy of statistics
 - Pickands–Balkema–de Haan theorem
 - Pie chart
 - Piecewise-deterministic Markov process
 - Pignistic probability
 - Pinsker's inequality
 - Pitman closeness criterion
 - Pitman–Koopman–Darmois theorem
 - Pitman–Yor process
 - Pivotal quantity
 - Placebo-controlled study
 - Plackett–Burman design
 - Plate notation
 - Plot (graphics)
 - Pocock boundary
 - Poincaré plot
 - Point-biserial correlation coefficient
 - Point estimation
 - Point pattern analysis
 - Point process
 - Poisson binomial distribution
 - Poisson distribution
 - Poisson hidden Markov model
 - Poisson limit theorem
 - Poisson process
 - Poisson regression
 - Poisson random numbers – redirects to section of Poisson distribution
 - Poisson sampling
 - Polar distribution – see Circular distribution
 - Policy capturing
 - Political forecasting
 - Pollaczek–Khinchine formula
 - Pollyanna Creep
 - Polykay
 - Poly-Weibull distribution
 - Polychoric correlation
 - Polynomial and rational function modeling
 - Polynomial chaos
 - Polynomial regression
 - Polytree (Bayesian networks)
 - Pooled standard deviation – redirects to Pooled variance
 - Pooling design
 - Popoviciu's inequality on variances
 - Population
 - Population dynamics
 - Population ecology – application
 - Population modeling
 - Population process
 - Population pyramid
 - Population statistics
 - Population variance
 - Population viability analysis
 - Portmanteau test
 - Positive predictive value
 - Post-hoc analysis
 - Posterior predictive distribution
 - Posterior probability
 - Power law
 - Power transform
 - Prais–Winsten estimation
 - Pre- and post-test probability
 - Precision (statistics)
 - Precision and recall
 - Prediction interval
 - Predictive analytics
 - Predictive inference
 - Predictive informatics
 - Predictive intake modelling
 - Predictive modelling
 - Predictive validity
 - Preference regression (in marketing)
 - Preferential attachment process – see Preferential attachment
 - PRESS statistic
 - Prevalence
 - Principal component analysis
 - Principal component regression
 - Principal geodesic analysis
 - Principal stratification
 - Principle of indifference
 - Principle of marginality
 - Principle of maximum entropy
 - Prior knowledge for pattern recognition
 - Prior probability
 - Prior probability distribution – redirects to Prior probability
 - Probabilistic causation
 - Probabilistic design
 - Probabilistic forecasting
 - Probabilistic latent semantic analysis
 - Probabilistic metric space
 - Probabilistic proposition
 - Probabilistic relational model
 - Probability
 - Probability bounds analysis
 - Probability box
 - Probability density function
 - Probability distribution
 - Probability distribution function (disambiguation)
 - Probability integral transform
 - Probability interpretations
 - Probability mass function
 - Probability matching
 - Probability metric
 - Probability of error
 - Probability of precipitation
 - Probability plot
 - Probability plot correlation coefficient – redirects to Q–Q plot
 - Probability plot correlation coefficient plot
 - Probability space
 - Probability theory
 - Probability-generating function
 - Probable error
 - Probit
 - Probit model
 - Procedural confound
 - Process control
 - Process Window Index
 - Procrustes analysis
 - Proebsting's paradox
 - Product distribution
 - Product form solution
 - Profile likelihood – redirects to Likelihood function
 - Progressively measurable process
 - Prognostics
 - Projection pursuit
 - Projection pursuit regression
 - Proof of Stein's example
 - Propagation of uncertainty
 - Propensity probability
 - Propensity score
 - Propensity score matching
 - Proper linear model
 - Proportional hazards models
 - Proportional reduction in loss
 - Prosecutor's fallacy
 - Proxy (statistics)
 - Psephology
 - Pseudo-determinant
 - Pseudo-random number sampling
 - Pseudocount
 - Pseudolikelihood
 - Pseudomedian
 - Pseudoreplication
 - PSPP (free software)
 - Psychological statistics
 - Psychometrics
 - Pythagorean expectation
 
Q
- Q test
 - Q-exponential distribution
 - Q-function
 - Q-Gaussian distribution
 - Q–Q plot
 - Q-statistic
 - Quadrat
 - Quadrant count ratio
 - Quadratic classifier
 - Quadratic form (statistics)
 - Quadratic variation
 - Qualitative comparative analysis
 - Qualitative data
 - Qualitative variation
 - Quality control
 - Quantile
 - Quantile function
 - Quantile normalization
 - Quantile regression
 - Quantile-parameterized distribution
 - Quantitative marketing research
 - Quantitative psychological research
 - Quantitative research
 - Quantum (Statistical programming language)
 - Quartile
 - Quartile coefficient of dispersion
 - Quasi-birth–death process
 - Quasi-experiment
 - Quasi-experimental design – see Design of quasi-experiments
 - Quasi-likelihood
 - Quasi-maximum likelihood
 - Quasireversibility
 - Quasi-variance
 - Questionnaire
 - Queueing model
 - Queueing theory
 - Queuing delay
 - Queuing theory in teletraffic engineering
 - Quota sampling
 
R
- R programming language – see R (programming language)
 - R v Adams (prob/stats related court case)
 - Radar chart
 - Rademacher distribution
 - Radial basis function network
 - Raikov's theorem
 - Raised cosine distribution
 - Ramaswami's formula
 - Ramsey RESET test – the Ramsey Regression Equation Specification Error Test
 - Rand index
 - Random assignment
 - Random compact set
 - Random data – see randomness
 - Random effects estimation – see Random effects model
 - Random effects model
 - Random element
 - Random field
 - Random function
 - Random graph
 - Random matrix
 - Random measure
 - Random multinomial logit
 - Random naive Bayes
 - Random permutation statistics
 - Random regular graph
 - Random sample
 - Random sampling
 - Random sequence
 - Random variable
 - Random variate
 - Random walk
 - Random walk hypothesis
 - Randomization
 - Randomized block design
 - Randomized controlled trial
 - Randomized decision rule
 - Randomized experiment
 - Randomized response
 - Randomness
 - Randomness tests
 - Range (statistics)
 - Rank abundance curve
 - Rank correlation mainly links to two following
 - Rank product
 - Rank-size distribution
 - Ranking
 - Rankit
 - Ranklet
 - RANSAC
 - Rao–Blackwell theorem
 - Rao-Blackwellisation – see Rao–Blackwell theorem
 - Rasch model
 - Rasch model estimation
 - Ratio distribution
 - Ratio estimator
 - Rational quadratic covariance function
 - Rayleigh distribution
 - Rayleigh mixture distribution
 - Raw score
 - Realization (probability)
 - Recall bias
 - Receiver operating characteristic
 - Reciprocal distribution
 - Rectified Gaussian distribution
 - Recurrence period density entropy
 - Recurrence plot
 - Recurrence quantification analysis
 - Recursive Bayesian estimation
 - Recursive least squares
 - Recursive partitioning
 - Reduced form
 - Reference class problem
 - Reflected Brownian motion
 - Regenerative process
 - Regression analysis – see also linear regression
 - Regression Analysis of Time Series – proprietary software
 - Regression control chart
 - Regression diagnostic
 - Regression dilution
 - Regression discontinuity design
 - Regression estimation
 - Regression fallacy
 - Regression-kriging
 - Regression model validation
 - Regression toward the mean
 - Regret (decision theory)
 - Reification (statistics)
 - Rejection sampling
 - Relationships among probability distributions
 - Relative change and difference
 - Relative efficiency – redirects to Efficiency (statistics)
 - Relative index of inequality
 - Relative likelihood
 - Relative risk
 - Relative risk reduction
 - Relative standard deviation
 - Relative standard error – redirects to Relative standard deviation
 - Relative variance – redirects to Relative standard deviation
 - Relative survival
 - Relativistic Breit–Wigner distribution
 - Relevance vector machine
 - Reliability (statistics)
 - Reliability block diagram
 - Reliability engineering
 - Reliability theory
 - Reliability theory of aging and longevity
 - Rencontres numbers – a discrete distribution
 - Renewal theory
 - Repeatability
 - Repeated measures design
 - Replication (statistics)
 - Representation validity
 - Reproducibility
 - Resampling (statistics)
 - Rescaled range
 - Resentful demoralization – experimental design
 - Residual. See errors and residuals in statistics.
 - Residual sum of squares
 - Response bias
 - Response rate (survey)
 - Response surface methodology
 - Response variable
 - Restricted maximum likelihood
 - Restricted randomization
 - Reversible-jump Markov chain Monte Carlo
 - Reversible dynamics
 - Rind et al. controversy – interpretations of paper involving meta-analysis
 - Rice distribution
 - Richardson–Lucy deconvolution
 - Ridge regression – redirects to Tikhonov regularization
 - Ridit scoring
 - Risk adjusted mortality rate
 - Risk factor
 - Risk function
 - Risk perception
 - Risk theory
 - Risk–benefit analysis
 - Robbins lemma
 - Robust Bayesian analysis
 - Robust confidence intervals
 - Robust measures of scale
 - Robust regression
 - Robust statistics
 - Root mean square
 - Root-mean-square deviation
 - Root mean square deviation (bioinformatics)
 - Root mean square fluctuation
 - Ross's conjecture
 - Rossmo's formula
 - Rothamsted Experimental Station
 - Round robin test
 - Rubin causal model
 - Ruin theory
 - Rule of succession
 - Rule of three (medicine)
 - Run chart
 - RV coefficient
 
S
- S (programming language)
 - S-PLUS
 - Safety in numbers
 - Sally Clark (prob/stats related court case)
 - Sammon projection
 - Sample mean and covariance – redirects to Sample mean and sample covariance
 - Sample mean and sample covariance
 - Sample maximum and minimum
 - Sample size determination
 - Sample space
 - Sample (statistics)
 - Sample-continuous process
 - Sampling (statistics)
 - Sampling bias
 - Sampling design
 - Sampling distribution
 - Sampling error
 - Sampling fraction
 - Sampling frame
 - Sampling probability
 - Sampling risk
 - Samuelson's inequality
 - Sargan test
 - SAS (software)
 - SAS language
 - SAS System – see SAS (software)
 - Savitzky–Golay smoothing filter
 - Sazonov's theorem
 - Saturated array
 - Scale analysis (statistics)
 - Scale parameter
 - Scaled-inverse-chi-squared distribution
 - Scaling pattern of occupancy
 - Scatter matrix
 - Scatter plot
 - Scatterplot smoothing
 - Scheffé's method
 - Scheirer–Ray–Hare test
 - Schilder's theorem
 - Schramm–Loewner evolution
 - Schuette–Nesbitt formula
 - Schwarz criterion
 - Score (statistics)
 - Score test
 - Scoring algorithm
 - Scoring rule
 - SCORUS
 - Scott's Pi
 - SDMX – a standard for exchanging statistical data
 - Seasonal adjustment
 - Seasonality
 - Seasonal subseries plot
 - Seasonal variation
 - Seasonally adjusted annual rate
 - Second moment method
 - Secretary problem
 - Secular variation
 - Seed-based d mapping
 - Seemingly unrelated regressions
 - Seismic to simulation
 - Selection bias
 - Selective recruitment
 - Self-organizing map
 - Self-selection bias
 - Self-similar process
 - Segmented regression
 - Seismic inversion
 - Self-similarity matrix
 - Semantic mapping (statistics)
 - Semantic relatedness
 - Semantic similarity
 - Semi-Markov process
 - Semi-log graph
 - Semidefinite embedding
 - Semimartingale
 - Semiparametric model
 - Semiparametric regression
 - Semivariance
 - Sensitivity (tests)
 - Sensitivity analysis
 - Sensitivity and specificity
 - Sensitivity index
 - Separation test
 - Sequential analysis
 - Sequential estimation
 - Sequential Monte Carlo methods – redirects to Particle filter
 - Sequential probability ratio test
 - Serial dependence
 - Seriation (archaeology)
 - SETAR (model) – a time series model
 - Sethi model
 - Seven-number summary
 - Sexual dimorphism measures
 - Shannon–Hartley theorem
 - Shape of the distribution
 - Shape parameter
 - Shapiro–Wilk test
 - Sharpe ratio
 - SHAZAM (software)
 - Shewhart individuals control chart
 - Shifted Gompertz distribution
 - Shifted log-logistic distribution
 - Shifting baseline
 - Shrinkage (statistics)
 - Shrinkage estimator
 - Sichel distribution
 - Siegel–Tukey test
 - Sieve estimator
 - Sigma-algebra
 - SigmaStat – software
 - Sign test
 - Signal-to-noise ratio
 - Signal-to-noise statistic
 - Significance analysis of microarrays
 - Silhouette (clustering)
 - Simfit – software
 - Similarity matrix
 - Simon model
 - Simple linear regression
 - Simple moving average crossover
 - Simple random sample
 - Simpson's paradox
 - Simulated annealing
 - Simultaneous equation methods (econometrics)
 - Simultaneous equations model
 - Single equation methods (econometrics)
 - Single-linkage clustering
 - Singular distribution
 - Singular spectrum analysis
 - Sinusoidal model
 - Sinkov statistic
 - Size (statistics)
 - Skellam distribution
 - Skew normal distribution
 - Skewness
 - Skorokhod's representation theorem
 - Slash distribution
 - Slice sampling
 - Sliced inverse regression
 - Slutsky's theorem
 - Small area estimation
 - Smearing retransformation
 - Smoothing
 - Smoothing spline
 - Smoothness (probability theory)
 - Snowball sampling
 - Sobel test
 - Social network change detection
 - Social statistics
 - SOFA Statistics – software
 - Soliton distribution – redirects to Luby transform code
 - Somers' D
 - Sørensen similarity index
 - Spaghetti plot
 - Sparse binary polynomial hashing
 - Sparse PCA – sparse principal components analysis
 - Sparsity-of-effects principle
 - Spatial analysis
 - Spatial dependence
 - Spatial descriptive statistics
 - Spatial distribution
 - Spatial econometrics
 - Spatial statistics – redirects to Spatial analysis
 - Spatial variability
 - Spearman's rank correlation coefficient
 - Spearman–Brown prediction formula
 - Species discovery curve
 - Specification (regression) – redirects to Statistical model specification
 - Specificity (tests)
 - Spectral clustering – (cluster analysis)
 - Spectral density
 - Spectral density estimation
 - Spectrum bias
 - Spectrum continuation analysis
 - Speed prior
 - Spherical design
 - Split normal distribution
 - SPRT – redirects to Sequential probability ratio test
 - SPSS – software
 - SPSS Clementine – software (data mining)
 - Spurious relationship
 - Square root biased sampling
 - Squared deviations
 - St. Petersburg paradox
 - Stability (probability)
 - Stable distribution
 - Stable and tempered stable distributions with volatility clustering – financial applications
 - Standard deviation
 - Standard error
 - Standard normal deviate
 - Standard normal table
 - Standard probability space
 - Standard score
 - Standardized coefficient
 - Standardized moment
 - Standardised mortality rate
 - Standardized mortality ratio
 - Standardized rate
 - Stanine
 - STAR model – a time series model
 - Star plot – redirects to Radar chart
 - Stata
 - State space representation
 - Statgraphics – software
 - Static analysis
 - Stationary distribution
 - Stationary ergodic process
 - Stationary process
 - Stationary sequence
 - Stationary subspace analysis
 - Statistic
 - STATISTICA – software
 - Statistical arbitrage
 - Statistical assembly
 - Statistical assumption
 - Statistical benchmarking
 - Statistical classification
 - Statistical conclusion validity
 - Statistical consultant
 - Statistical deviance – see deviance (statistics)
 - Statistical dispersion
 - Statistical distance
 - Statistical efficiency
 - Statistical epidemiology
 - Statistical estimation – redirects to Estimation theory
 - Statistical finance
 - Statistical genetics – redirects to population genetics
 - Statistical geography
 - Statistical graphics
 - Statistical hypothesis testing
 - Statistical independence
 - Statistical inference
 - Statistical interference
 - Statistical Lab – software
 - Statistical learning theory
 - Statistical literacy
 - Statistical model
 - Statistical model specification
 - Statistical model validation
 - Statistical noise
 - Statistical package
 - Statistical parameter
 - Statistical parametric mapping
 - Statistical parsing
 - Statistical population
 - Statistical power
 - Statistical probability
 - Statistical process control
 - Statistical proof
 - Statistical randomness
 - Statistical range – see range (statistics)
 - Statistical regularity
 - Statistical relational learning
 - Statistical sample
 - Statistical semantics
 - Statistical shape analysis
 - Statistical signal processing
 - Statistical significance
 - Statistical survey
 - Statistical syllogism
 - Statistical theory
 - Statistical unit
 - Statisticians' and engineers' cross-reference of statistical terms
 - Statistics
 - Statistics education
 - Statistics Online Computational Resource – training materials
 - StatPlus
 - StatXact – software
 - Stein's example
 - Stein's lemma
 - Stein's unbiased risk estimate
 - Steiner system
 - Stemplot – see Stem-and-leaf display
 - Step detection
 - Stepwise regression
 - Stieltjes moment problem
 - Stimulus-response model
 - Stochastic
 - Stochastic approximation
 - Stochastic calculus
 - Stochastic convergence
 - Stochastic differential equation
 - Stochastic dominance
 - Stochastic drift
 - Stochastic equicontinuity
 - Stochastic gradient descent
 - Stochastic grammar
 - Stochastic investment model
 - Stochastic kernel estimation
 - Stochastic matrix
 - Stochastic modelling (insurance)
 - Stochastic optimization
 - Stochastic ordering
 - Stochastic process
 - Stochastic rounding
 - Stochastic simulation
 - Stopped process
 - Stopping time
 - Stratified sampling
 - Stratonovich integral
 - Streamgraph
 - Stress majorization
 - Strong law of small numbers
 - Strong prior
 - Structural break
 - Structural equation modeling
 - Structural estimation
 - Structured data analysis (statistics)
 - Studentized range
 - Studentized residual
 - Student's t-distribution
 - Student's t-statistic
 - Student's t-test
 - Student's t-test for Gaussian scale mixture distributions – see Location testing for Gaussian scale mixture distributions
 - Studentization
 - Study design
 - Study heterogeneity
 - Subcontrary mean – redirects to Harmonic mean
 - Subgroup analysis
 - Subindependence
 - Substitution model
 - SUDAAN – software
 - Sufficiency (statistics) – see Sufficient statistic
 - Sufficient dimension reduction
 - Sufficient statistic
 - Sum of normally distributed random variables
 - Sum of squares (disambiguation) – general disambiguation
 - Sum of squares (statistics) – see Partition of sums of squares
 - Summary statistic
 - Support curve
 - Support vector machine
 - Surrogate model
 - Survey data collection
 - Survey sampling
 - Survey methodology
 - Survival analysis
 - Survival rate
 - Survival function
 - Survivorship bias
 - Symmetric design
 - Symmetric mean absolute percentage error
 - SYSTAT – software
 - System dynamics
 - System identification
 - Systematic error (also see bias (statistics) and errors and residuals in statistics)
 - Systematic review
 
T
- t-distribution – see Student's t-distribution (includes table)
 - T distribution (disambiguation)
 - t-statistic
 - Tag cloud – graphical display of info
 - Taguchi loss function
 - Taguchi methods
 - Tajima's D
 - Taleb distribution
 - Tampering (quality control)
 - Taylor expansions for the moments of functions of random variables
 - Taylor's law – empirical variance-mean relations
 - Telegraph process
 - Test for structural change
 - Test–retest reliability
 - Test score
 - Test set
 - Test statistic
 - Testimator
 - Testing hypotheses suggested by the data
 - Text analytics
 - The Long Tail – possibly seminal magazine article
 - The Unscrambler – software
 - Theil index
 - Theil–Sen estimator
 - Theory of conjoint measurement
 - Therapeutic effect
 - Thompson sampling
 - Three-point estimation
 - Three-stage least squares
 - Threshold model
 - Thurstone scale
 - Thurstonian model
 - Time–frequency analysis
 - Time–frequency representation
 - Time reversibility
 - Time series
 - Time-series regression
 - Time use survey
 - Time-varying covariate
 - Timeline of probability and statistics
 - TinkerPlots – proprietary software for schools
 - Tobit model
 - Tolerance interval
 - Top-coded
 - Topic model (statistical natural language processing)
 - Topological data analysis
 - Tornqvist index
 - Total correlation
 - Total least squares
 - Total sum of squares
 - Total survey error
 - Total variation distance – a statistical distance measure
 - TPL Tables – software
 - Tracy–Widom distribution
 - Traffic equations
 - Training set
 - Transect
 - Transferable belief model
 - Transiogram
 - Transition rate matrix
 - Treatment and control groups
 - Trend analysis
 - Trend estimation
 - Trend-stationary process
 - Treynor ratio
 - Triangular distribution
 - Trimean
 - Trimmed estimator
 - Trispectrum
 - True experiment
 - True variance
 - Truncated distribution
 - Truncated mean
 - Truncated normal distribution
 - Truncated regression model
 - Truncation (statistics)
 - Tsallis distribution
 - Tsallis statistics
 - Tschuprow's T
 - Tucker decomposition
 - Tukey's range test – multiple comparisons
 - Tukey's test of additivity – interaction in two-way anova
 - Tukey–Duckworth test
 - Tukey–Kramer method
 - Tukey lambda distribution
 - Tweedie distribution
 - Twisting properties
 - Two stage least squares – redirects to Instrumental variable
 - Two-tailed test
 - Two-way analysis of variance
 - Type I and type II errors
 - Type-1 Gumbel distribution
 - Type-2 Gumbel distribution
 - Tyranny of averages
 
U
- u-chart
 - U-quadratic distribution
 - U-statistic
 - U test
 - Umbrella sampling
 - Unbiased estimator – see bias (statistics)
 - Unbiased estimation of standard deviation
 - Uncertainty
 - Uncertainty coefficient
 - Uncertainty quantification
 - Uncomfortable science
 - Uncorrelated
 - Underdispersion – redirects to Overdispersion
 - Underfitting – redirects to Overfitting
 - Underprivileged area score
 - Unevenly spaced time series
 - Unexplained variation – see Explained variation
 - Uniform distribution (continuous)
 - Uniform distribution (discrete)
 - Uniformly most powerful test
 - Unimodal distribution – redirects to Unimodal function (has some stats context)
 - Unimodality
 - Unistat – software
 - Unit (statistics)
 - Unit of observation
 - Unit root
 - Unit root test
 - Unit-weighted regression
 - Unitized risk
 - Univariate
 - Univariate analysis
 - Univariate distribution
 - Unmatched count
 - Unseen species problem
 - Unsolved problems in statistics
 - Upper and lower probabilities
 - Upside potential ratio – finance
 - Urn problem
 - Ursell function
 - Utility maximization problem
 - Utilization distribution
 
V
- Validity (statistics)
 - Van der Waerden test
 - Van Houtum distribution
 - Vapnik–Chervonenkis theory
 - Varadhan's lemma
 - Variable
 - Variable kernel density estimation
 - Variable-order Bayesian network
 - Variable-order Markov model
 - Variable rules analysis
 - Variance
 - Variance decomposition of forecast errors
 - Variance gamma process
 - Variance inflation factor
 - Variance-gamma distribution
 - Variance reduction
 - Variance-stabilizing transformation
 - Variance-to-mean ratio
 - Variation ratio
 - Variational Bayesian methods
 - Variational message passing
 - Variogram
 - Varimax rotation
 - Vasicek model
 - VC dimension
 - VC theory
 - Vector autoregression
 - VEGAS algorithm
 - Violin plot
 - ViSta – Software, see ViSta, The Visual Statistics system
 - Voigt profile
 - Volatility (finance)
 - Volcano plot (statistics)
 - Von Mises distribution
 - Von Mises–Fisher distribution
 - V-optimal histograms
 - V-statistic
 - Vuong's closeness test
 - Vysochanskiï–Petunin inequality
 
W
- Wait list control group
 - Wald distribution – redirects to Inverse Gaussian distribution
 - Wald test
 - Wald–Wolfowitz runs test
 - Wallenius' noncentral hypergeometric distribution
 - Wang and Landau algorithm
 - Ward's method
 - Watterson estimator
 - Watts and Strogatz model
 - Weibull chart – redirects to Weibull distribution
 - Weibull distribution
 - Weibull modulus
 - Weight function
 - Weighted median
 - Weighted covariance matrix – redirects to Sample mean and sample covariance
 - Weighted mean
 - Weighted sample – redirects to Sample mean and sample covariance
 - Welch's method – spectral density estimation
 - Welch's t test
 - Welch–Satterthwaite equation
 - Well-behaved statistic
 - Wick product
 - Wilks' lambda distribution
 - Wilks' theorem – redirects to section of Likelihood-ratio test
 - Winsorized mean
 - Whipple's index
 - White test
 - White noise
 - Wide and narrow data
 - Wiener deconvolution
 - Wiener filter
 - Wiener process
 - Wigner quasi-probability distribution
 - Wigner semicircle distribution
 - Wike's law of low odd primes
 - Wilcoxon signed-rank test
 - Will Rogers phenomenon
 - WinBUGS – software
 - Window function
 - Winpepi – software
 - Winsorising
 - Wishart distribution
 - Wold's theorem
 - Wombling
 - Working–Hotelling procedure
 - World Programming System – software
 - Wrapped Cauchy distribution
 - Wrapped distribution
 - Wrapped exponential distribution
 - Wrapped normal distribution
 - Wrapped Lévy distribution
 - Writer invariant
 
X
- X-12-ARIMA
 - chart
 - and R chart
 - and s chart
 - XLispStat – software
 - XploRe – software
 
Y
Z
See also
- Supplementary lists
 
These lists include items which are somehow related to statistics however are not included in this index:
- List of statisticians
 - List of important publications in statistics
 - List of scientific journals in statistics
 
- Topic lists
 
- Outline of statistics
 - List of probability topics
 - Glossary of probability and statistics
 - Glossary of experimental design
 - Notation in probability and statistics
 - List of probability distributions
 - List of graphical methods
 - List of fields of application of statistics
 - List of stochastic processes topics
 - Lists of statistics topics
 - List of statistical packages
 
External links
- ISI Glossary of Statistical Terms (multilingual), International Statistical Institute
 
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