Table 3 shows the number of lung cancer deaths per daily number of cigarettes smoked at the time of completing the 1951 questionnaire (only for male physicians who were nonsmokers and current smokers). The number of cigarettes smoked was available for 136 of the people who died of lung cancer. Number of cigarettes Deaths 3 22 54 57 Person-years 42800 38600 38900 0. 1-14 15-24 +24 25100 a) Estimate the appropriate measure of association and 95% confidence interval for each category of number of cigarettes smoked daily, using the group of non-smokers as the reference category. b) What can be inferred about the estimated measure of association in the different categories
Table 3 shows the number of lung cancer deaths per daily number of cigarettes smoked at the time of completing the 1951 questionnaire (only for male physicians who were nonsmokers and current smokers). The number of cigarettes smoked was available for 136 of the people who died of lung cancer. Number of cigarettes Deaths 3 22 54 57 Person-years 42800 38600 38900 0. 1-14 15-24 +24 25100 a) Estimate the appropriate measure of association and 95% confidence interval for each category of number of cigarettes smoked daily, using the group of non-smokers as the reference category. b) What can be inferred about the estimated measure of association in the different categories
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.6: Rational Functions
Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.
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