In a test for the difference between two proportions, the sample sizes were n1 = 68 and

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In a test for the difference between two proportions, the sample sizes were n1 = 68 and n2 = 76, and the numbers of events were x1 = 41 and x2 = 25.

A test is made of the hypotheses H0: p1 = p2 versus H1: p1 > p2.

a. Compute the value of the test statistic.

b. Can you reject H0 at the α = 0.05 level of significance?

c. Can you reject H0 at the α = 0.01 level of significance?

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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