Introduction to Business Statistics
Introduction to Business Statistics
7th Edition
ISBN: 9781111792374
Author: WEIERS
Publisher: Cengage Learning
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2-Proportion Test
In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.
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Chapter 11.5, Problem 11.49E

The students in an aerobics class have been weighed both before and after the 5-week class, with the following results:
Chapter 11.5, Problem 11.49E, The students in an aerobics class have been weighed both before and after the 5-week class, with the
Using the 0.05 level of significance, evaluate the effectiveness of the program. Using the appropriate statistical table, what is the most accurate statement we can make about the p-value for this test?

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Chapter 11 Solutions

Introduction to Business Statistics

Ch. 11.2 - Using independent random samples, a researcher is...Ch. 11.2 - Prob. 11.8ECh. 11.2 - Prob. 11.9ECh. 11.3 - A tire company is considering switching to a new...Ch. 11.3 - Prob. 11.27ECh. 11.4 - Prob. 11.41ECh. 11.5 - The students in an aerobics class have been...Ch. 11.5 - Prob. 11.50E
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