Values of the standard normal random variable are measured
A) with reference to specific units.
B) in the units in which the mean is measured.
C) in the number of standard deviations from the mean.
D) in squared units in which the mean is measured.
E) None of the choices is correct.

Question

Quizplus · Accepted Answer

The standard normal random variable has a mean of 0 and a standard deviation of 1. Therefore, its values are measured in terms of how many standard deviations they are away from the mean. For example, a value of 1.5 represents 1.5 standard deviations above the mean.

Values of the Standard Normal Random Variable Are Measured