The number of standard deviation units a score falls above or below the mean defines its
A) median.
B) correlation coefficient.
C) z-score.
D) average.

Question

Quizplus · Accepted Answer

The definition described in the question is that of a z-score. A z-score is calculated by subtracting the mean from a score and then dividing the result by the standard deviation. It tells you how many standard deviations a score is above or below the mean.

The Number of Standard Deviation Units a Score Falls Above