Example image of eyePlorer eyePlorer map for 'Variance': Probability distribution Probability theory Random variable Statistics Dice Derivative Discriminant Quadratic Absolute deviation Root mean square deviation Standard deviation Covariance Heavy-tailed distribution Observational error Outlier Robust statistics Normal distribution Estimation theory Sample (statistics) Sample space Unbiased estimation of standard deviation Central moment Cumulant Real number Continuous probability distribution Discrete probability distribution Expected value Cauchy distribution Pareto distribution Pareto index Integral Probability density function Probability mass function Squared deviations Weighted mean Exponential distribution Data set Invariant Location parameter Analysis of variance Law of total variance Variance decomposition Computational formula for the variance Uncorrelated Irénée-Jules Bienaymé Independence (probability theory) Central limit theorem Standard error (statistics) Correlation Classical test theory