What is TRUE of z scores that are equal to the mean?
A)They are negative.
B)They are positive.
C)They are equal to 0.
D)They are equal to 1.

Question

Quizplus · Accepted Answer

A z-score represents the number of standard deviations a data point is from the mean. Therefore, if a z-score is equal to the mean, it means the data point is exactly at the mean, and is 0 standard deviations away from it. Thus, the z-score is equal to 0.

What Is TRUE of Z Scores That Are Equal to the Mean