Brianna received an overall IQ score of 117 on the Wechsler Scale. This means that Brianna has scored ____________ standard deviation(s) above the mean IQ score of ____________.
A) 2; 90
B) 1; 110
C) 2; 75
D) 2;100

Question

Quizplus · Accepted Answer

The Wechsler Scale has a mean IQ score of 100 and a standard deviation of 15. An IQ score of 117 is 1.13 standard deviations above the mean, but the closest choice is D, which implies a score above the mean of 100.

Brianna Received an Overall IQ Score of 117 on the Wechsler