In analysis of variance, "sums of squares explained" could be interpreted as being proportional to
A)the difference between a group's mean and a given group member
B)the difference between a group's mean and the overall mean
C)the sum of the inter-group and intra-group variance
D)the sum of variance between all group members
E)none of the above

Question

Quizplus · Accepted Answer

Sums of squares explained measures the variation in the response variable that is explained by the group means, compared to the overall mean. Therefore, it is proportional to the difference between a group's mean and the overall mean (Choice B).

In Analysis of Variance, "Sums of Squares Explained" Could Be