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Mathematics, 11.07.2019 08:00, Gattuso
The dean of students mailed a survey to a total of 400 students. the sample included 100 students randomly selected from each of the freshman, sophomore, junior, and senior classes on campus last term. what sampling method was used?
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The dean of students mailed a survey to a total of 400 students. the sample included 100 students ra...
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