Which of the Following Statements About the Sampling Distribution of the Sample

Multiple Choice

Which of the following statements about the sampling distribution of the sample mean is ?

A) The sampling distribution of the sample mean is approximately normal whenever the sample size is sufficiently large ( n $\ge$ 30 ) .
B) The sampling distribution of the sample mean is generated by repeatedly taking samples of size n and computing the sample means.
C) The mean of the sampling distribution of the sample mean is equal to ? .
D) The standard deviation of the sampling distribution of the sample mean is equal to ? .