Mathematics, 22.06.2019 22:30 talahtoo2924
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 b sample size 50 40 average purchase $260 $250 standard deviation () $ 20 $ 23 a. formulate a test to determine if, on the average, students at university a spent more on textbooks then the students at university b. b. compute the test statistic. c. what is your conclusion? and interpretation? let = .05
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