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6. You have ten observations on the variable number of hours studied the night before first midterm exam: 2, 1.5, 3, 2, 3.5, 1, 0.5,

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6. You have ten observations on the variable \"number of hours studied the night before first midterm exam\": 2, 1.5, 3, 2, 3.5, 1, 0.5, 3, 2, 4 (a) Construct the 95% confidence interval for the population mean. (b) Construct the 90% confidence interval for the population mean

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