Mathematics, 19.01.2021 22:10 kkeith121p6ujlt
In order to estimate the amount of time students spend on homework, the principal at a high school plans to survey a sample of students. Because the principal believes that different grade levels have different amounts of homework, the plan is to take separate random samples of freshmen, sophomores, juniors, and seniors. What type of sample did the principal perform
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In order to estimate the amount of time students spend on homework, the principal at a high school p...
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