Question
A corporation that maintains a large fleet ofcompany cars for the use of its sales staff is interested in the meandistance driven monthly per sales
A corporation that maintains a large fleet ofcompany cars for the use of its sales staff is interested in the meandistance driven monthly per sales person. The following table givesthe monthly distances in miles driven by a random sample of 15salespersons: 2076, 2567, 1929, 2116, 2377, 2496, 2136, 2646, 2402, 2089, 2631, 2519, 1984, 2045, 2569
Based on this sample, find a 90%confidence interval for the mean number of miles driven monthly by members of the sales staff, assuming that monthly driving distances arenormally distributed. what are the lower and upper limit of the 90% confidence interval?
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