Find test value for hypothesis for average cost of books

Reference no: EM13136419

At a certain university, the average cost of books was $370 per student last semester and the population standard deviation was $90. This semester a sample of 45 students revealed an average cost of books of $395 per student. The Dean of Students believes that the costs are greater this semester. What is the test value for this hypothesis.

Reference no: EM13136419

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