The file FastFood contains the amount that a sample of 15 customers spent for lunch ($) at a fast- food
Question:
The file FastFood contains the amount that a sample of 15 customers spent for lunch ($) at a fast- food restaurant:
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a. Construct a 95% confidence interval estimate for the population mean amount spent for lunch ($) at a fast- food restaurant, assuming a normal distribution.
b. Interpret the interval constructed in (a).
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PHStat output a X bar t S n 7 09 2 1448 1 4060 15 6 3…View the full answer
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Related Book For 
Business Statistics A First Course
ISBN: 9780321979018
7th Edition
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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Question Posted: July 16, 2015 19:28:40