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IQ Scores Based on the Wechsler Adult Intelligence Scale (WAIS)

Question 40

Multiple Choice

IQ scores based on the Wechsler Adult Intelligence Scale (WAIS) are assumed to be normally distributed with a mean of 100 and a standard deviation of 15. What is the z-score for an IQ of 125?


A) z = -1.25
B) z = 1.25
C) z = 1.67
D) z = 5.05

Correct Answer:

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