# SOLUTION: At a certain university, the average cost of books per student was \$330 per student last semester. In a sample of 50 students this semester, their average cost was \$355 with a stan

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 Algebra: Probability and statistics Solvers Lessons Answers archive Quiz In Depth

 Question 193389: At a certain university, the average cost of books per student was \$330 per student last semester. In a sample of 50 students this semester, their average cost was \$355 with a standard deviation of \$85. The Dean of Students believes that the costs are greater this semester. What is the test value for this hypothesis? Answer by yuendatlo(23)   (Show Source): You can put this solution on YOUR website!qwer