9504 0321369143.ptb.pdt ovide an appropriate response. 27) If selecting samples

Question

9504 0321369143.ptb.pdt ovide an appropriate response. 27) If selecting samples of size n 10 from a population with a known mean and standard deviation, what requirement, if any, must be satisfied in order to assume that the distribution of the sample means is a normal distribution? 28) Find the IQ score separating the top 16% from the others. 29) If selecting samples of size n > 30 from a population with a known mean and standard deviation, what requirement, if any, must be satisfied in order to assume that the distribution of the sample means is a normal distribution?

Explanation / Answer

In order to assume that the distribution of the sample means is a normal distribution, the population must have a normal distribution.

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