Given that Z is a standard normal variable, the variance of Z:
A) is always greater than $2.0$.
B) is always greater than $1.0$.
C) is always equal to $1.0$.
D) cannot assume a specific value.

Name: Given that Z is a standard normal variable, the variance of Z: A) is always greater than $2.0$. B) is always greater than $1.0$. C) is always equal to $1.0$. D) cannot assume a specific value.
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Question

Given that Z is a standard normal variable, the variance of Z: 
A) is always greater than $2.0$.
B) is always greater than $1.0$.
C) is always equal to $1.0$.
D) cannot assume a specific value.

Quizplus · Accepted Answer

The variance of a standard normal variable is always equal to 1.

Given That Z Is a Standard Normal Variable, the Variance 2.02.02.0

Given That Z Is a Standard Normal Variable, the Variance $2.0$