Question: 7) For sample sizes greater than 30, the sampling distribution of the mean will be approximately normally distributed7) _______ A) only if the standard deviation

7) For sample sizes greater than 30, the sampling distribution of the mean will be approximately normally distributed7) _______

A) only if the standard deviation of the samples are known. B) regardless of the shape of the population. C) only if the shape of the population is symmetrical. D) only if the population is normally distributed.

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