Refer to the measurement of job satisfaction in Exercise 10.45. Using the data in Exercise 10.12, compare
Question:
(a) Find a 95% confidence interval for the difference of proportions p1 - p2.
(b) Perform the Z test for the null hypothesis H0: P1 = P2 versus H1: p1 > p2. Take α = .05.
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b We formulate the hypotheses Observed z is pa The test ...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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