If a sample size is at least _____,then for any sampled population,we can conclude that the sample means are approximately normal.
A)25
B)20
C)30
D)50

Question

Quizplus · Accepted Answer

According to the central limit theorem, if the sample size is at least 30, then the distribution of sample means will approach a normal distribution regardless of the shape of the population distribution. Therefore, choice C) 30 is the best choice.

If a Sample Size Is at Least _____,Then for Any