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In a random sample of 23 people, the mean commute time to work was 30.9 minutes and the standard deviation was 7.3 minutes. Assume the

In a random sample of

people, the mean commute time to work was

30.9

minutes 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

What is the margin of error of

Interpret the results.

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