Mathematics, 07.12.2019 01:31 lilfofo9

Astudent at south plains college claims that the average cost of textbook is more than $ 75 dollars. test this student's claim using a 0.05 level of significance. a random sample of 15,textbooks had an average price of $78.15 and a standard deviation of $8.80.(8 pts)

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Astudent at south plains college claims that the average cost of textbook is more than $ 75 dollars....

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