Two gel pens, Gel-1 and Gel-2, are compared on the basis of the number of weeks before
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(a) Obtains s2pooled.
(b) Test H0: μ1 = μ2 against H1: μ1 > μ2 with α = .05.
(c) Determine a 95% confidence interval for μ1 - μ2.
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a b We are to test the hypotheses H 0 1 2 0 versus H 1 ...View the full answer
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Related Book For 
Statistics Principles And Methods
ISBN: 9780470904114
7th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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