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

Multiple Choice

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.