In conducting a one-way ANOVA, if there are no treatment effects, then
A) between-treatments variance and within-treatment variance would be approximately equal.
B) between-treatments variance would be larger than within-treatment variance.
C) within-treatment variance would be larger than between-treatments variance.
D) between-treatments variance would be 0.

Question

Quizplus · Accepted Answer

If there are no treatment effects, there should be no significant difference between the group means. As a result, the variation between the group means (between-treatments variance) should be approximately equal to the variation within each group (within-treatments variance).

In Conducting a One-Way ANOVA, If There Are No Treatment