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In a random sample of 25 people, the mean commute time to work was 33.2 minutes and the standard deviation was 7.2 minutes. Assume the
In a random sample of 25 people, the mean commute time to work was 33.2 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 . What is the margin of error of ? Interpret the results
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Design And Analysis Of Experiments
Authors: Douglas C., Montgomery
5th Edition
978-0471316497, 0471316490
