analysis of variance

noun

, Statistics.

1. a procedure for resolving the total variance of a set of variates into component variances that are associated with defined factors affecting the variates.

analysis of variance

noun

1. statistics any of a number of techniques for resolving the observed variance between sets of data into components, esp to determine whether the difference between two samples is explicable as random sampling variation with the same underlying population ANOVA

Word History and Origins

Origin of analysis of variance¹

First recorded in 1935–40