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QUESTION
In a random sample of 23 people, the mean commute time to work was 34.2 minutes and the standard deviation was 7.2 minutes.
In a random sample of 23 people, the mean commute time to work was 34.2 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a t-distribution to construct a 98% confidence interval for the population mean μ. What is the margin of error of μ? Interpret the results.
9013.6
