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Suppose that there are 1,000 students in College U and the mean credit hours completed is 30 and the standard deviation is 5. You randomly

Suppose that there are 1,000 students in College U and the mean credit hours completed is 30 and the standard deviation is 5. You randomly select 100 students. Based on this sample, the mean credit hours completed is 28 and the standard deviation is 7. In this example, the value ofis:

A. 7

B. 28

C. 30

D. 1000

E. 100

F. 5

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