What is the sufficient sample size to use for the central limit theorem?
A) at least 25
B) at least 26
C) at least 30
D) at least 31

Question

Quizplus · Accepted Answer

The generally accepted rule of thumb is that the sample size should be at least 30 in order for the central limit theorem to apply. This is because with a sample size of 30 or greater, the sample mean will be approximately normally distributed even if the underlying population is not normal. Therefore, choice C (at least 30) is the best choice.

What Is the Sufficient Sample Size to Use for the Central