Asked by Natasha MakudenTV on Sep 27, 2024

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.

Variance

A statistical measure that determines the spread of numbers in a data set by calculating the mean of the squared differences from the mean.

Standard Normal

A normal distribution with a mean of zero and a standard deviation of one, commonly used in statistical analysis.

  • Understand the fundamentals of mean, standard deviation, and variance as they apply to normal distributions.