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What is the margin of error of mµ?

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In a random sample of 21 ?people, the mean commute time to work was 33.7 and the standard deviation was 7.3 minutes. Assume the population is normally distributed and use a? t-distribution to construct a 95% confidence interval for the population mean mμ. What is the margin of error of mμ?? Interpret the results.

Reference no: EM132415853

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