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Mathematics, 28.06.2020 05:01 thomasalmo2014
Descriptions of three studies are given. In each of the studies, the two populations of interest are students majoring in science at a particular university and students majoring in liberal arts at this university. For each of these studies, indicate whether the samples are independently selected or paired. Study 1: To determine if there is evidence that the mean number of hours spent studying per week differs for the two populations, a random sample of 100 science majors and a random sample of 75 liberal arts majors are selected. independently selected paired Study 2: To determine if the mean amount of money spent on textbooks differs per semester, a random sample of science majors is selected. Each student in this sample is asked for two data values: how much money they spent on textbooks in the spring semester and how much money they spent on textbooks in the fall semester. independently selected paired Study 3: To determine if the mean amount of time spent using the campus library differs for the two populations, a random sample of science majors is selected. A separate random sample of the same size is selected from the population of liberal arts majors. independently selected paired
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Descriptions of three studies are given. In each of the studies, the two populations of interest are...
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