A pharmaceutical company manufactures a particular brand of antihistamine tablets. In the quality control division, certain tests
Question:
a. If the company is manufacturing 25 mg tablets, within what limits must tablet potencies lie?
b. A random sample of 30 tablets is obtained from a recent batch of antihistamine tablets. The data for the potencies of the tablets are given next. Is the assumption of normality warranted for inferences about the population variance?
c. Translate the companys 90% to 110% specifications on the range of the product potency into a statistical test concerning the population variance for potencies. Draw conclusions based on α = .05.
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Related Book For
An Introduction To Statistical Methods And Data Analysis
ISBN: 9781305465527
7th Edition
Authors: R. Lyman Ott, Micheal T. Longnecker
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