Given that Z is a standard normal random variable, the mean of Z is:
A) smaller than the median.
B) larger than the mode.
C) always equal to zero.
D) always small er than zero.

Name: Given that Z is a standard normal random variable, the mean of Z is: A) smaller than the median. B) larger than the mode. C) always equal to zero. D) always small er than zero.
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Question

Given that Z is a standard normal random variable, the mean of Z is: 
A) smaller than the median.
B) larger than the mode.
C) always equal to zero.
D) always small er than zero.

Quizplus · Accepted Answer

The mean of a standard normal distribution Z is always equal to zero.

Given That Z Is a Standard Normal Random Variable, the Mean