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Mathematics, 13.12.2019 19:31 wbrandi118
Independent random samples taken on two university campuses revealed the following information concerning the average amount of money spent on textbooks during the fall semester. university a university bsample size 50 40average purchase $280 $250standard deviation $20 $23at * = .05, test to determine if, on the average, students at university a spend more on textbooks then the students at university b
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