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1.If we randomly select a sample of n30 (large sample) measurement from a population (with mean =m and standard deviation =s ) of any shape:

1.If we randomly select a sample of n30 (large sample) measurement from a population (with mean =m and standard deviation =s ) of any shape: (Hint: refer to the power point notes; and to Fig. 7.5 in the text)

a.What is the shape of the sampling distribution of sample mean?

b. What is the mean of the sampling distribution?

c. What is the standard deviation of the sampling distribution?

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