analysis of variance

American

noun

Statistics.

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 British

noun

ANOVA. 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of analysis of variance

First recorded in 1935–40

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Other uses for the F distribution include comparing two variances and two-way analysis of variance.

From Textbooks • Mar. 27, 2020

The test statistic for analysis of variance is the F-ratio.

From Textbooks • Sep. 19, 2013

Analysis and design of experiments, analysis of variance and analysis of variance designs.

From U.S. Copyright Renewals, 1977 July - December by Library of Congress. Copyright Office

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023