What happens to the standard error of M as sample size increases?
A)It increases.
B)It decreases.
C)It stays constant.
D)The standard error does not change in a predictable manner when sample size increases.

Question

Quizplus · Accepted Answer

As sample size increases, the standard error of the mean decreases. This is because as the sample size increases, the sample means become more representative of the population mean, and so the variability of the sample means around the population mean decreases, resulting in a smaller standard error.

What Happens to the Standard Error of M as Sample