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In a certain university, the mean age of the students is 30.5 with the standard deviation of 0.8 (a) Calculate the standard error of the

In a certain university, the mean age of the students is 30.5 with the standard deviation of 0.8

(a) Calculate the standard error of the mean if a sample of 25 students were selected.

(b) What would be the standard error of the mean be if a sample of 100

students were selected?

(Model Assumptions and Standard Error) with computations please

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