Joe has a score of 8 on a variable that has a mean of 10 and a standard deviation of 2. What is Joe's standard score on the variable?
A) 12
B) -1
C) 8
D) -2

Name: Joe has a score of 8 on a variable that has a mean of 10 and a standard deviation of 2. What is Joe's standard score on the variable? A) 12 B) -1 C) 8 D) -2
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Joe's standard score (z-score) is calculated by subtracting the mean from his score and then dividing by the standard deviation: (8 - 10) / 2 = -2 / 2 = -1.

Joe Has a Score of 8 on a Variable That