The WAIS has a mean of 100 and a standard deviation of 15. One of the requirements to become a member of MENSA, an organization for smart people, is to score a minimum of two standard deviations above the mean on this test. What is the minimum score requirement?
A) 120
B) 130
C) 145
D) 150

Question

Quizplus · Accepted Answer

Two standard deviations above the mean would be 2 x 15 = 30 points. Adding this to the mean of 100 gives a minimum score requirement of 130. Therefore, the correct answer is B.

The WAIS Has a Mean of 100 and a Standard