ple Choices
(Choose 1 answer)
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Which of the following is true about the sampling distribution of the sample mean?
A. All of them are true.
B. (i)
C. (iii)
D. (ii)
(i) The mean of the sampling distribution is always μ
(ii) The standard deviation of the sampling distribution is always o
(iii) The shape of the sampling distribution is always approximately normal.
