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  3. use the following sample to estimate a population

Use the following sample to estimate a population mean 85 75 9 94 7 72...

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Use the following sample to estimate a population mean 85 75 9 94 7 72 3 75 3 87 9 72 2 80 7 95 9 76 Assuming the population is normally distributed find the 80 confidence interval about the populat mean Enter your answer as an open interval i e parentheses accurate to two decimal places 80 C I

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