What differentiates the standard normal distribution (Z) from any other arbitrary normal distribution?
A) The Z distribution has the least amount of variability of all normal distributions.
B) The Z distribution is the only normal distribution with a fixed real mean value.
C) The Z distribution has a mean value of 0 and a variance/standard deviation of 1.
D) The Z distribution has a mean value and variance that is defined, which is uncommon for the normal distribution.

Question

Quizplus · Accepted Answer

The standard normal distribution (Z) is the only normal distribution with a mean value of 0 and a variance/standard deviation of 1. All other normal distributions may have varying means and standard deviations, but the Z distribution provides a common reference point for standardizing normal distributions.

What Differentiates the Standard Normal Distribution (Z) from Any Other