As sample size increases, the test statistic increases because the:
A) difference between the means increases.
B) overlap between distributions increases.
C) distance between distributions decreases.
D) standard error decreases.

Question

Quizplus · Accepted Answer

As the sample size increases, the standard error decreases. This is because the standard error is proportional to the square root of the sample size. As the standard error decreases, the test statistic increases, making it easier to reject the null hypothesis.

As Sample Size Increases, the Test Statistic Increases Because The