About 68 percent of people who take the WAIS-IV intelligence test will score between 85 and 115.

Question

Quizplus · Accepted Answer

This statement is true. According to the normal distribution, approximately 68 percent of scores fall within one standard deviation of the mean, which for the WAIS-IV is 100 with a standard deviation of 15. Therefore, scores between 85 and 115 are within one standard deviation of the mean and can be expected for approximately 68 percent of people who take the test.

About 68 Percent of People Who Take the WAIS-IV Intelligence