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? a. Determine the test statistic. χ2= (Round to three decimal places as needed.) b. Determine the P-value of the test statistic. P-Value= (Round to three decimal places as needed.)
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? a. Determine the test statistic. χ2= (Round to three decimal places as needed.) b. Determine the P-value of the test statistic. P-Value= (Round to three decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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?
a. Determine the test statistic.
χ2=
(Round to three decimal places as needed.)
b. Determine the P-value of the test statistic.
P-Value=
(Round to three decimal places as needed.)
Transcribed Image Text:Wear Seat Belts
Don't Wear Seat Belts
Number of Cigarettes Smoked per Day
15-34 35 and over
39
32
0
187
154
1-14
30
25
8
15
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