A teacher wants to measure the intelligence of their students using a standardized IQ test. What percentage of the class should be expected to have scores above 100?
A)33%
B)50%
C)60%
D)67%

Question

Quizplus · Accepted Answer

The IQ scale is designed so that the mean is 100 with a standard deviation of 15. Since the scale is normally distributed, 50% of the population is expected to score above the mean, which is 100.

A Teacher Wants to Measure the Intelligence of Their Students