Question: 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

Next TWO questions are based on the follow sample data Assume

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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