The Expression $\Sigma\left(X_{i}-\bar{X}\right)$ Instructs Us to
A)sum the Scores
B)sum the Scores and the Scores

Multiple Choice

The expression $\Sigma\left(X_{i}-\bar{X}\right)$
Instructs us to

A) sum the scores
B) sum the scores and then subtract the mean
C) subtract every "ith" score from the mean
D) subtract the mean from each score and add up the deviations