The normality assumptions behind the independent groups t test
A) is one that we cannot get around.
B) diminishes in importance as the variance of the two groups increases.
C) is absolutely unimportant.
D) diminishes in importance as the sample sizes increase.

Question

Quizplus · Accepted Answer

As sample sizes increase, the distribution of sample means tends to become more normal due to the Central Limit Theorem. Therefore, the normality assumption becomes less important with larger sample sizes.

The Normality Assumptions Behind the Independent Groups T Test