The sampling distribution of the difference between means.
A)is positively skewed and unimodal
B)approaches a normal distribution as sample size increases
C)is bimodal with the standard error dependent upon sample size
D)is negatively skewed and unimodal

Question

Quizplus · Accepted Answer

The central limit theorem states that as sample size increases, the distribution of the sample means approaches a normal distribution. Therefore, the sampling distribution of the difference between means also approaches a normal distribution as sample size increases.

The Sampling Distribution of the Difference Between Means