The population mean of a distribution that is approximately normal is 500 and the population standard deviation is 100. What is the mean of the standardized distribution for this variable?
A) 0
B) 10
C) 100
D) 500
E) Cannot be determined from this information

Question

Quizplus · Accepted Answer

The mean of a standardized distribution (z-scores) is always 0, regardless of the original mean and standard deviation of the distribution.

The Population Mean of a Distribution That Is Approximately Normal