If we added up all of the deviation scores when calculating the standard deviation, the result would be equal to
A) SS.
B) 0.
C) ∑X.
D) ∑X².

Question

Quizplus · Accepted Answer

The sum of all deviation scores from the mean is always equal to 0. Therefore, if we added up all of the deviation scores when calculating the standard deviation, the result would also be 0. The other options (SS, ∑X, ∑X²) are all components of the variance calculation, but not the standard deviation calculation.

If We Added Up All of the Deviation Scores When