The standard deviation of the sampling distribution for a sample mean depends on the value(s) of
A) the sample size and the population standard deviation.
B) the sample size but not the population standard deviation.
C) the population standard deviation but not the sample size
D) neither the sample size nor the population standard deviation.

Question

Quizplus · Accepted Answer

The standard deviation of the sampling distribution of the sample mean, also known as the standard error, depends on both the population standard deviation and the sample size. It is calculated as the population standard deviation divided by the square root of the sample size.

The Standard Deviation of the Sampling Distribution for a Sample