11.3 # 20
Test the given Claim/ PLEASE SHOW ME HOW TO DO IN EXCEL......
Is Seat-Belt Use Independent of Cigarette Smoking? A study of seat-belt users and non-users yielded the randomly selected sample data summarized in the table below. 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?
Number of Cigarettes Smoked per Day
0 1-14 15-34 35 and over
Wear seat belts 175 20 42 6
Don't wear seat belts 149 17 41 9
Based on data from "What Kinds of People Do Not use Seat Belts?" by Helsing and
And Comstock, American Journal of Public Health, Vol. 67, No. 11.
This question was answered on: May 23, 2022
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