What is the margin of error of interpret the


In a random sample of 22 ?people, the mean commute time to work was 33.8 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a? t-distribution to construct a 90?% confidence interval for the population mean μ. What is the margin of error of μ?? Interpret the results?

The confidence interval for the population mean μ is.

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