Test value-hypothesis of average cost of books per student

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Reference no: EM1395912

At a certain university, the average cost of books per student was 400.00 last semester. In a sample of 40 students this semsester, their average cost was 340.00 with a standard deviation of 80.00. The dean of students believes that the costs are greater this semester. What is the test value for this hypothesis:

A) 15.00

B) 2.37

C) 0.38

D) 0.75

Reference no: EM1395912

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