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A variable of a population has a mean of =81 and a standard deviation of =18. a. Identify the sampling distribution of the sample mean

A variable of a population has a mean of =81 and a standard deviation of =18.

a. Identify the sampling distribution of the sample mean for samples of size 81.

b. In answering part(a), what assumptions did you make about the distribution of thevariable?

c. Can you answer part(a) if the sample size is 16 instead of 81? Why or whynot?

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