In ANOVA, the F-test is the ratio of two sample variances. In the one-way ANOVA (completely randomised design), the variance used as the denominator of the ratio is the:
A) mean square for treatments.
B) mean square for error.
C) mean square for blocks.
D) total sum of squares.

Question

Quizplus · Accepted Answer

In one-way ANOVA, the F-test compares the variance between group means (mean square for treatments) to the variance within groups (mean square for error). Therefore, the variance used as the denominator of the ratio is the mean square for error.

In ANOVA, the F-Test Is the Ratio of Two Sample