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At a certain university, the average cost of books per student was $390 per student last...

At a certain university, the average cost of books per student was $390 per student last semester. In a sample of 35 students this semester, their average cost was $410. Assume the population standard deviation is $90. The Dean of Students claims that the costs are greater this semester. Test the dean’s claim at α=0.05 level of significance. State the Hyp:

Test Value is_____=______

P-value = ________

Decision:______

Conclusion

Math   Statistics-And-Probability   
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