Statistical Techniques in Business and Economics
Statistical Techniques in Business and Economics
18th Edition
ISBN: 9781260579611
Author: Douglas Lind; William Marchal; Samuel Wathen
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 11, Problem 20E

a.

To determine

To Find: The null hypothesis and the alternative hypothesis.

b.

To determine

To Find: The p-value of the hypothesis test.

c.

To determine

To Check: If the null hypothesis is rejected.

d.

To determine

To draw: The conclusion obtained from the hypothesis testing.

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A study of seat belt users and nonusers yielded the randomly selected sample data summarized in the accompanying table. Use a 0.05 significance level to test the claim that the amount of smoking is independent of seat belt use. A plausible theory is that people wh about their health and safety and are therefore less inclined to wear seat belts. Is this theory supported by the sample data? E Click the icon to view the data table. Determine the null and alternative hypotheses
A study of seat belt users and nonusers yielded the randomly selected sample data summarized in the accompanying table. Use a 0.05 significance level to test the claim that the amount of smoking is independent of seat belt use. A plausible theory is that people who smoke are less concerned about their health and safety and are therefore less inclined to wear seat belts. Is this theory supported by the sample data? E Click the icon to view the data table. Determine the null and alternative hypotheses. O A. Ho: The amount of smoking is independent of seat belt use. H4: The amount of smoking is not independent of seat belt use. O B. Ho: The amount of smoking is dependent upon seat belt use. H1: The amount of smoking is not dependent upon seat belt use. O C. Ho: Heavy smokers are not less likely than non-smokers to wear a seat belt. H1: Heavy smokers are less likely than non-smokers to wear a seat belt. O D. Ho: Heavy smokers are less likely than non-smokers to wear a seat belt. H4: Heavy…
A study of seat belt users and nonusers yielded the randomly selected sample data summarized in the accompanying table. Use a 0.05 significance level to test the claim that the amount of smoking is independent of seat belt use. A plausible theory is that people who smoke are less concerned about their health and safety and are therefore less inclined to wear seat belts. Is this theory supported by the sample data? E Click the icon to view the data table. Determine the null and alternative hypotheses. O A. Hn: Heavy smokers are less likely than non-smokers to wear a seat belt. H,: Heavy smokers are not less likely than non-smokers to wear a seat belt. O B. Ho: The amount of smoking is independent of seat belt use. H,: The amount of smoking is not independent of seat belt use. OC. Ho: The amount of smoking is dependent upon seat belt use. H,: The amount of smoking is not dependent upon seat belt use. O D. Ho: Heavy smokers are not less likely than non-smokers to wear a seat belt. H:…

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Statistical Techniques in Business and Economics

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