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Mathematics, 10.03.2020 19:53 cutboymon
The college bookstore says that the average cost of textbooks is $52 with a standard deviation of $4.50. a group of skeptical statistics students want to test the bookstore’s claim with a sample of 100 books, and find a mean of $53.
a) what decision should the students make if they set alpha to .01?
b.) Compare and contrast the benefits and drawbacks of having a high alpha level vs. a low alpha level. What are some of the practical/real world implications of either setting an alpha level too high (i. e., .1) or too low (i. e., .001) in your study/analysis?
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