Which of the following statements is (are) true about the sampling distribution of the sample mean?
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The sampling distribution of sample mean will be exactly normally distributed as long as the sample size is at least 30.
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If the distribution of the sample mean of samples of size 6 looks skewed to the right then the underlying population distribution can't be normal.
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As n increases, the expected value of the sample mean increases.
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As n increases, the standard error of the sample mean decreases.
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The sampling distribution of the sample mean has a mean equal to the population mean μ even if the sample size n is small.
A.
False
B.
True