Given that the mean WAIS IQ is 100 and the standard deviation is 15, if Johnny?s WAIS IQ is 125 what is his corresponding z score?
A) -1.67
B) 1.67
C) 2.00
D) 2.33

Name: Given that the mean WAIS IQ is 100 and the standard deviation is 15, if Johnny?s WAIS IQ is 125 what is his corresponding z score? A) -1.67 B) 1.67 C) 2.00 D) 2.33
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Question

Quizplus · Accepted Answer

The z score is calculated by subtracting the mean from the individual score and then dividing by the standard deviation. For Johnny, (125 - 100) / 15 = 25 / 15 = 1.67.

Given That the Mean WAIS IQ Is 100 and the Standard