Approximately what percentage of people will have IQ scores between 85 and 115?
A) 50 percent
B) 95 percent
C) 100 percent
D) 68 percent

Question

Quizplus · Accepted Answer

According to the normal distribution, approximately 68% of people will have IQ scores between one standard deviation above and below the mean, which is between 85 and 115. Therefore, choice D is the correct answer. Other choices are incorrect because they do not reflect the actual distribution of IQ scores.

Approximately What Percentage of People Will Have IQ Scores Between