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Next TWO questions are based on the follow sample data Assume the student commuting time to the IUPUI campus is normally distributed. To build a

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Next TWO questions are based on the follow sample data Assume the student commuting time to the IUPUI campus is normally distributed. To build a 95% condence interval for the mean commuting time for all IUPUI students, a random sample of n = 5 students provided the following times (shown in minutes). X 8 18 15 14 25 9 The sample variance is s2 = _ a 38.5 b 34.6 c 30.8

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