Variability of group means about the grand mean affords an indication of
A) inherent variation
B) variation attributable to treatment effect, when present
C) a combination of (a) and (b) above
D) none of the above

Question

Quizplus · Accepted Answer

Variability of group means about the grand mean affords an indication of both inherent variation and variation attributable to treatment effect, when present.

Variability of Group Means About the Grand Mean Affords an Indication