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For the following PAIRED OBSERVATIONS, calculate the 90% confidence interval for the population mean mu_d: A = {12.77, 11.98, 14.54, 14.07), B = {3.45,

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For the following PAIRED OBSERVATIONS, calculate the 90% confidence interval for the population mean mu_d: A = {12.77, 11.98, 14.54, 14.07), B = {3.45, 4.75, 4.93, 4.75}. Your answer: O 8.28

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