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 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 ? .
Correct Answer:
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