Use the following to answer questions :
Refer to the figure below

-According to the figure, what is the IQ score of an individual in the 50th percentile?
A) 50
B) 85
C) 100
D) 115

Question

Use the following to answer questions :
Refer to the figure below
 
-According to the figure, what is the IQ score of an individual in the 50th percentile?
A) 50 
B) 85 
C) 100 
D) 115

Quizplus · Accepted Answer

The figure shows that the IQ scores are distributed normally with a mean of 100 and a standard deviation of 15. The 50th percentile is the median or the middle value. From the figure, we can see that the middle value corresponds to an IQ score of 100. Therefore, the answer is C, 100.

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