Variability of scores about their group means 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 scores about their group means indicates inherent variation, which is the natural variability within each group.

Variability of Scores About Their Group Means Affords an Indication