A deviation IQ score of 164 falls how many standard deviations above the mean for this kind of IQ score?
A) 0
B) 1
C) 2
D) 3
E) 4

Name: A deviation IQ score of 164 falls how many standard deviations above the mean for this kind of IQ score? A) 0 B) 1 C) 2 D) 3 E) 4
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Question

Quizplus · Accepted Answer

The mean IQ score is set at 100 with a standard deviation of 15. A score of 164 is 64 points above the mean. Dividing 64 by the standard deviation (15) gives 4.27, which rounds down to 4 standard deviations above the mean.

A Deviation IQ Score of 164 Falls How Many Standard