In probability theory and statistics, variance is the expected value of the squared deviation from the mean of a random variable. The standard deviation...

The Allan variance (AVAR), also known as two-sample variance, is a measure of frequency stability in clocks, oscillators and amplifiers. It is named after...

In statistics and machine learning, the bias–variance tradeoff describes the relationship between a model's complexity, the accuracy of its predictions...

Analysis of variance (ANOVA) is a collection of statistical models and their associated estimation procedures (such as the "variation" among and between...

variance σ i 2 {\displaystyle \sigma _{i}^{2}} , all having the same mean, one possible choice for the weights is given by the reciprocal of variance:...

all its random variables have the same finite variance; this is also known as homogeneity of variance. The complementary notion is called heteroscedasticity...

population, data set, or probability distribution is the square root of its variance. It is algebraically simpler, though in practice less robust, than the...

Look up variance in Wiktionary, the free dictionary. In probability theory and statistics, variance measures how far a set of numbers are spread out....

The Time Variance Authority (TVA) is a fictional organization appearing in American comic books published by Marvel Comics. It is depicted as a group of...

Sales variance is the difference between actual sales and budgeted sales. It is used to measure the performance of a sales function, and/or analyze business...