In a random sample of seven computers, the mean repair cost was $110.00 and the standard deviation
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In a random sample of seven computers, the mean repair cost was $110.00 and the standard deviation was $44.50.
You are given the sample mean and the sample standard deviation. Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Interpret the results. If convenient, use technology to construct the confidence interval.
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Related Book For 
Elementary Statistics Picturing The World
ISBN: 9780321911216
6th Edition
Authors: Ron Larson, Betsy Farber
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