The file FastFood contains the amount that a sample of 15 customers spent for lunch ($) at
Question:
The file FastFood contains the amount that a sample of 15 customers spent for lunch ($) at a fast- food restaurant:
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).
Transcribed Image Text:
742 6.29 583 6.50 8.34 9.51 7.10 6.80 5.90 4.89 6.50 5.52 790 8.30 9.60
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PHStat output a Xbar t S n 709 21448 14060 15 631 787 ...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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