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What is the margin of error of µ?

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In a random sample of 19 ?people, the mean commute time to work was 30.5 minutes and the standard deviation was 7.3 minutes. Assume the population is normally distributed and use a? t-distribution to construct a 80?% confidence interval for the population mean μ. What is the margin of error of μ?? Interpret the results.

Reference no: EM132461876

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