In Problem 3.63 on page 134, you were introduced to a tea- bag- filling operation. An important
Question:
a. Is there evidence that the mean amount of tea per bag is different from 5.5 grams? (Use α = 0.01.)
b. Construct a 99% confidence interval estimate of the population mean amount of tea per bag. Interpret this interval.
c. Compare the conclusions reached in (a) and (b).
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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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