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11 To obtain a 95% interval estimate for the mean student commuting time to the IUPUI campus with a margin of sampling error of MOE

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11 To obtain a 95% interval estimate for the mean student commuting time to the IUPUI campus with a margin of sampling error of MOE = 2 minutes, the minimum sample size should be n = _. A pilot sample of students provided a planning value of 6' = 7 minutes for the standard deviation. 84 66 48 39 D-OD'PD

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