The following MINITAB output presents the results of a hypothesis test for the difference between two proportions.

Question:

a. Is this a left-tailed test, a right-tailed test, or a two-tailed test?
b. What is the P-value?
c. Can you reject Ho at the a = 0.05 level?

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Elementary Statisitcs

ISBN: 978-1259345296

2nd edition

Authors: Barry Monk

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Question Posted: Oct 05, 2015 08:00 AM

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The following MINITAB output presents the results of a hypothesis test for the difference between two proportions.

Question:

Test and CI for To Proportions: A, B Variable 31 23 Sanple p 0.688889 0.396552 45 58 Difference p (A)-P (B) Estimate for difference: 0.292337 95% Lower Bound for difference: 0.128108 Test for difference 0 (Vs> 0)Z2.95 P-Value0.003

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Elementary Statisitcs

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