Advanced topic: Σ(X-GM)² A)equals the sum of squared deviations of scores from their group's mean. B)ignores the group a score is in. C)is always smaller than Σ(X-M)². D)is used to determine the grand mean.

Question

Quizplus · Accepted Answer

The expression Σ(X-GM)² represents the sum of squared deviations of scores from the grand mean (GM), not taking into account the group a score is in.

Advanced Topic: Σ(X-GM)2

Advanced Topic: Σ(X-GM)²