Under the normal curve, 50% of the cases must always fall
A) below the mean
B) above the mean
C) below the median
D) all of these

Question

Quizplus · Accepted Answer

50% of the cases must fall below the median by definition, as the median is the point where 50% of cases lie above and 50% lie below. Additionally, since the normal distribution is symmetrical, 50% of cases must also fall below the mean and above the mean. Therefore, all three options are correct, making D the best choice.

Under the Normal Curve, 50% of the Cases Must Always