Andre has an IQ of 115. He performed __________ than _____ percent of his agemates.
A) better; 15
B) worse; 16
C) better; 50
D) better; 84

Question

Quizplus · Accepted Answer

A score of 115 is one standard deviation above the mean IQ score of 100. According to the normal distribution curve, approximately 84% of the population falls within one standard deviation above or below the mean. Therefore, Andre performed better than 84% of his agemates.

Andre Has an IQ of 115