When N increases, the standard error of the mean
A) increases
B) decreases
C) stays the same
D) changes, but the direction depends on the change in the sample mean.

Question

Quizplus · Accepted Answer

The standard error of the mean decreases as the sample size (N) increases, because the standard error is inversely proportional to the square root of the sample size. This means that larger sample sizes provide more accurate estimates of the population mean.

When N Increases, the Standard Error of the Mean