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
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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 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.
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Chapter 11 Solutions
Statistical Techniques in Business and Economics
Ch. 11 - Tom Sevits is the owner of the Appliance Patch....Ch. 11 - Prob. 1ECh. 11 - Prob. 2ECh. 11 - Prob. 3ECh. 11 - As part of a study of corporate employees, the...Ch. 11 - Prob. 5ECh. 11 - Mary Jo Fitzpatrick is the vice president for...Ch. 11 - Prob. 2SRCh. 11 - Prob. 7ECh. 11 - For Exercises 7 and 8: (a) state the decision...
Ch. 11 - Prob. 9ECh. 11 - A recent study compared the time spent together by...Ch. 11 - Ms. Lisa Monnin is the budget director for Nexus...Ch. 11 - The Tampa Bay (Florida) Area Chamber of Commerce...Ch. 11 - It is often useful for companies to know who their...Ch. 11 - For exercises 13 and 14, assume the sample...Ch. 11 - Prob. 14ECh. 11 - Prob. 15ECh. 11 - Suppose you are an expert on the fashion industry...Ch. 11 - Prob. 4SRCh. 11 - Prob. 17ECh. 11 - The null and alternate hypotheses are: H0:d=a0...Ch. 11 - Prob. 19ECh. 11 - Prob. 20ECh. 11 - A recent study focused on the number of times men...Ch. 11 - Clark Heter is an industrial engineer at Lyons...Ch. 11 - Prob. 23CECh. 11 - Prob. 24CECh. 11 - Prob. 25CECh. 11 - Prob. 26CECh. 11 - Prob. 27CECh. 11 - Prob. 28CECh. 11 - Prob. 29CECh. 11 - Prob. 30CECh. 11 - Prob. 31CECh. 11 - Prob. 32CECh. 11 - Prob. 33CECh. 11 - Prob. 34CECh. 11 - Prob. 35CECh. 11 - Prob. 36CECh. 11 - Prob. 37CECh. 11 - Prob. 38CECh. 11 - Prob. 39CECh. 11 - Prob. 40CECh. 11 - Prob. 41CECh. 11 - Prob. 42CECh. 11 - Prob. 43CECh. 11 - Prob. 44CECh. 11 - Prob. 45CECh. 11 - Prob. 46CECh. 11 - Prob. 47DACh. 11 - Prob. 49DA
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- What is a sample space?arrow_forwardMore Info Number of Cigarettes Smoked per Day O 15-34 35 and over 39 1-14 Wear Seat Belts 198 10 5 Don't Wear Seat Belts 141 23 44 5 Print Donearrow_forwardA 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? Click the icon to view the data table. Determine the null and alternative hypotheses. i More Info O A. Ho: The amount of smoking is dependent upon seat be H: The amount of smoking is not dependent upon sea B. Ho: The amount of smoking is independent of seat belt H4: The amount of smoking is not independent of seat Number of Cigarettes Smoked per Day 1-14 15-34 35 and over O C. Ho: Heavy smokers are not less likely than non-smoke Wear Seat Belts 183 30 47 8 H1: Heavy smokers are less likely than non-smokers to Don't Wear Seat Belts 157 17 37 11 D. Ho: Heavy smokers are less…arrow_forward
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