On the Wechsler intelligence test, what percentage of scores fall between 70 and 130?
A) 25 percent.
B) 50 percent.
C) 68 percent.
D) 95 percent.

Question

Quizplus · Accepted Answer

95 percent of scores on the Wechsler intelligence test fall between 70 and 130, as this range encompasses approximately two standard deviations above and below the mean score of 100 on the normal distribution curve used for IQ scores.

On the Wechsler Intelligence Test, What Percentage of Scores Fall