When using a completely randomized design (one-way analysis of variance), the calculated F statistic will decrease as
A) the variability among the groups decreases relative to the variability within the groups.
B) the total variability increases.
C) the total variability decreases.
D) the variability among the groups increases relative to the variability within the groups.

Question

Quizplus · Accepted Answer

This is because the F statistic is the comparison between the variability among groups divided by the variability within the groups.

When Using a Completely Randomized Design (One-Way Analysis of Variance)