The following data are the amounts that a sample of 15 customers spent for lunch ($) at
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The following data are the amounts that a sample of 15 customers spent for lunch ($) at a fast-food restaurant.
7.47, 6.30, 5.81, 6.47, 8.33, 9.49, 7.11, 6.80, 5.89, 4.87, 6.53, 5.51, 7.86, 8.26, 9.24
Construct a 95% confidence interval estimate for the population mean amount spent for lunch ($) at a fast-food restaurant.
Related Book For
Basic Business Statistics Concepts and Applications
ISBN: 978-0132168380
12th edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel
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