For a sample size of 1, the sampling distribution of the mean is normally distributed:
A. regardless of the shape of the population.
B. only if the population values are larger than 30.
C. only if the population is normally distributed.
D. None of these choices.
Analysis:
A. Incorrect. The sampling distribution of the mean is normally distributed only if the population is normally distributed.
B. Incorrect. The sampling distribution of the mean is normally distributed only if the population is normally distributed.
C. Correct. The sampling distribution of the mean is normally distributed only if the population is normally distributed.
D. Incorrect. The sampling distribution of the mean is normally distributed only if the population is normally distributed.
ANSWER : C
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