An analysis of variance is a statistical procedure used to test hypotheses for one or more factors concerning the variance among two or more group means,where the variance in one or more populations is unknown.

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This statement accurately describes an analysis of variance (ANOVA). ANOVA is a statistical technique used to compare the means of three or more groups to determine if there is a significant difference between them. It does this by examining the variation in scores within each group, as well as the variation between groups. ANOVA is a useful method in many fields, including biology, psychology, and business.

An Analysis of Variance Is a Statistical Procedure Used to Test