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In a random sample of 26 people, the mean commute time to work was 34.8 minutes and the standard deviation was 7.1 minutes. Assume
In a random sample of 26 people, the mean commute time to work was 34.8 minutes and the standard deviation was 7.1 minutes. Assume the population is normally distributed and use a t-distribution to construct a 90% confidence interval for the population mean . What is the margin of error of ? Interpret the results. The confidence interval for the population mean is ( (Round to one decimal place as needed.)
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Forecasting Time Series And Regression
Authors: Bruce L. Bowerman, Richard O'Connell, Anne Koehler
4th Edition
0534409776, 9780534409777
