In one-way analysis of variance, the within-sample variation is not affected by whether the null hypothesis is true or not.

Question

Quizplus · Accepted Answer

In one-way analysis of variance (ANOVA), the within-sample variation (also known as the within-group variation) is a measure of the variability among observations within each individual group. This variation is independent of the null hypothesis, which concerns the equality of group means across different groups, not the variability within those groups.

In One-Way Analysis of Variance, the Within-Sample Variation Is Not