12th Edition

ISBN: 9780321836960

Author: Mario F. Triola

Publisher: PEARSON

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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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Textbook Question

Chapter 13.2, Problem 16BSC

In Exercises 13-16, use the sign test for the claim involving nominal data.

16. Football Survey In a USA Today poll, people responded to this question "Are today’s NFL (football) games too long?” Among the respondents with a definitive answer, 242 answered yes and 396 answered no. Use a 0.05 significance level to test the claim that respondents did not have a strong opinion one way or the other. How are the results affected by the additional information that the responses are from Internet users who chose to answer the question posted on the USA Today web site?

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Chapter 13.2, Problem 15BSC

Chapter 13.2, Problem 17BSC

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Chapter 13 Solutions

Elementary Statistics

Ch. 13.2 - Prob. 1BSC Ch. 13.2 - Prob. 2BSC Ch. 13.2 - Prob. 3BSC Ch. 13.2 - Prob. 4BSC Ch. 13.2 - Prob. 5BSC Ch. 13.2 - Prob. 6BSC Ch. 13.2 - Prob. 7BSC Ch. 13.2 - Prob. 8BSC Ch. 13.2 - Prob. 9BSC Ch. 13.2 - Prob. 10BSC

Ch. 13.2 - In Exercises 9-12, use the sign test for the data...Ch. 13.2 - Prob. 12BSC Ch. 13.2 - Prob. 13BSC Ch. 13.2 - In Exercises 13-16, use the sign test for the...Ch. 13.2 - Prob. 15BSC Ch. 13.2 - In Exercises 13-16, use the sign test for the...Ch. 13.2 - Appendix B Data Sets.In Exercises 13-16, refer to...Ch. 13.2 - Prob. 18BSC Ch. 13.2 - Appendix B Data Sets.In Exercises 17-20, refer to...Ch. 13.2 - Appendix B Data Sets.In Exercises 17-20, refer to...Ch. 13.2 - Procedures for Handling Ties In the sign test...Ch. 13.2 - Prob. 22BB Ch. 13.3 - Wilcoxon Signed-Ranks Test for Freshman 15 The...Ch. 13.3 - Prob. 2BSC Ch. 13.3 - Prob. 3BSC Ch. 13.3 - Prob. 4BSC Ch. 13.3 - Prob. 5BSC Ch. 13.3 - Prob. 6BSC Ch. 13.3 - Using the Wilcoxon Signed-Ranks Test.In Exercises...Ch. 13.3 - Prob. 8BSC Ch. 13.3 - Prob. 9BSC Ch. 13.3 - Prob. 10BSC Ch. 13.3 - Appendix B Data Sets.In Exercises 9-12, refer to...Ch. 13.3 - Prob. 12BSC Ch. 13.3 - Prob. 13BB Ch. 13.4 - Prob. 1BSC Ch. 13.4 - Prob. 2BSC Ch. 13.4 - Prob. 3BSC Ch. 13.4 - Prob. 4BSC Ch. 13.4 - Prob. 5BSC Ch. 13.4 - Prob. 6BSC Ch. 13.4 - Prob. 7BSC Ch. 13.4 - Prob. 8BSC Ch. 13.4 - Prob. 9BSC Ch. 13.4 - Prob. 10BSC Ch. 13.4 - Prob. 11BSC Ch. 13.4 - Prob. 12BSC Ch. 13.4 - Prob. 13BB Ch. 13.4 - Prob. 14BB Ch. 13.5 - Effect of Lead on IQ Score Listed below are full...Ch. 13.5 - Prob. 2BSC Ch. 13.5 - Notation For the data given in Exercise 1,...Ch. 13.5 - Prob. 4BSC Ch. 13.5 - Prob. 5BSC Ch. 13.5 - Prob. 6BSC Ch. 13.5 - Prob. 7BSC Ch. 13.5 - Using tho Kruskal-Wallis Test.In Exercises 5-8,...Ch. 13.5 - Prob. 9BSC Ch. 13.5 - Prob. 10BSC Ch. 13.5 - Prob. 11BSC Ch. 13.5 - Car Crash Measurements Refer to Data See 13 in...Ch. 13.5 - Prob. 13BB Ch. 13.6 - Regression If the methods of this section arc used...Ch. 13.6 - Level of Measurement Which of the levels of...Ch. 13.6 - Prob. 3BSC Ch. 13.6 - Prob. 4BSC Ch. 13.6 - Prob. 5BSC Ch. 13.6 - Prob. 6BSC Ch. 13.6 - Prob. 7BSC Ch. 13.6 - Testing for Rank Correlation. In Exercises 7-12,...Ch. 13.6 - Prob. 9BSC Ch. 13.6 - Testing for Rank Correlation. In Exercises 7-12,...Ch. 13.6 - Prob. 11BSC Ch. 13.6 - Prob. 12BSC Ch. 13.6 - Appendix B Data Sets. In Exercises 13-16, use the...Ch. 13.6 - Prob. 14BSC Ch. 13.6 - Appendix B Data Sets. In Exercises 13-16, use the...Ch. 13.6 - Prob. 16BSC Ch. 13.6 - Prob. 17BB Ch. 13.7 - Prob. 1BSC Ch. 13.7 - Prob. 2BSC Ch. 13.7 - Prob. 3BSC Ch. 13.7 - Prob. 4BSC Ch. 13.7 - Prob. 5BSC Ch. 13.7 - Prob. 6BSC Ch. 13.7 - Prob. 7BSC Ch. 13.7 - Prob. 8BSC Ch. 13.7 - Prob. 9BSC Ch. 13.7 - Baseball World Series Victories Test the claim...Ch. 13.7 - Prob. 11BSC Ch. 13.7 - Prob. 12BSC Ch. 13 - Prob. 1CQQ Ch. 13 - Prob. 2CQQ Ch. 13 - Prob. 3CQQ Ch. 13 - Prob. 4CQQ Ch. 13 - Prob. 5CQQ Ch. 13 - Prob. 6CQQ Ch. 13 - Prob. 7CQQ Ch. 13 - Prob. 8CQQ Ch. 13 - Prob. 9CQQ Ch. 13 - Sign Test Identify three different applications of...Ch. 13 - Prob. 1RE Ch. 13 - Prob. 2RE Ch. 13 - Prob. 3RE Ch. 13 - Prob. 4RE Ch. 13 - Prob. 5RE Ch. 13 - Using Nonparametric Tests. In Exercises 110, use a...Ch. 13 - Prob. 7RE Ch. 13 - Prob. 8RE Ch. 13 - Prob. 9RE Ch. 13 - Prob. 10RE Ch. 13 - Prob. 1CRE Ch. 13 - Please be aware that some of the following...Ch. 13 - Prob. 3CRE Ch. 13 - Prob. 4CRE Ch. 13 - Prob. 5CRE Ch. 13 - Prob. 6CRE Ch. 13 - Prob. 7CRE Ch. 13 - Prob. 8CRE Ch. 13 - Prob. 9CRE Ch. 13 - Prob. 10CRE Ch. 13 - Prob. 11TP Ch. 13 - Prob. 10FDD

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Solution Summary: The author explains the reason for the results affected by the additional information that the responses are from Internet users who chose to answer the question on the USA Today web site.

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Chapter 13 Solutions