The required condition for using an ANOVA procedure on data from several populations is that the
A)the selected samples are dependent on each other
B)sampled populations are all uniform
C)sampled populations have equal variances
D)sampled populations have equal means

Question

Quizplus · Accepted Answer

ANOVA assumes that the sampled populations have equal variances. If the variances are not equal, the F-statistic used in ANOVA may not be reliable. Therefore, it is important to test for equal variances before using ANOVA.

The Required Condition for Using an ANOVA Procedure on Data