A score that is 2.5 standard deviations below the mean would have a z score of ______.
A)-2.5
B)2.5
C)0
D)25

Question

Quizplus · Accepted Answer

A z-score reflects how many standard deviations a data point is from the mean. If a score is 2.5 standard deviations below the mean, it is considered a low score. The z-score for this score would be -2.5, indicating it is 2.5 standard deviations below the mean. Therefore, the correct answer is A.

A Score That Is 2