The sum of the differences between the scores of a distribution and the mean of the scores is always
A)0
B)1
C)the same as the number of cases
D)none of these

Name: The sum of the differences between the scores of a distribution and the mean of the scores is always A)0 B)1 C)the same as the number of cases D)none of these
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Question

Quizplus · Accepted Answer

This is because the sum of the differences between the scores and the mean is by definition the total deviation from the mean, which must always sum up to 0.

The Sum of the Differences Between the Scores of a Distribution