MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The following data represents the monthly cost for telephone service for a random sample of 8 households in Wilmington.
43, 47, 51, 36, 50, 42, 38, 41, 39
Construct a 95% confidence interval for the population average monthly expenditure
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