Quiz 4 cs.edu/courses/409441/modules/items/27938501 J Paused ) Update ouTube Maps Reading List 93.MTH.155.B81H.FA21 > Modules > Unit 1: Chapters 1-4 > Quiz 4 [Fall 2021] MTH 155 - B81H : Statistical Reasoning Joy Osborne & | 09/18/21 9:30 PM Quiz: Quiz 4 Question 12 This Quiz: 21 pts possible Submit Quiz nents abus Could it be that smoking actually increases survival rates among women? The accompanying data represent the 20-year survival status and smoking status of 1331 women who participated in a 20-year cohort (prospective) study. Complete parts (a) through (c). Click the icon to view the data table. (a) What proportion of the smokers were dead after 20 years? What proportion of the nonsmokers were dead after 20 years? What does this imply about the health consequences of smoking? The proportion of the smokers who were dead after 20 years is (Round to three decimal places as needed.) Ources The proportion of the nonsmokers who were dead after 20 years is toring (Round to three decimal places as needed.) (b) The data in the first table do not take into account a variable that is strongly related to survival status, age. The data shown in the second accompanying table give the survival status of women and their age at the beginning of he study. Determine the proportion of 18- to 24-year-old smokers who were dead after 20 years. X The proportion of 18- to 24-year-old smokers who were dead after 20 years is Data table (Round to three decimal places as needed.) Determine the proportion of 18- to 24-year-old nonsmokers who were dead after 20 years. The proportion of 18- to 24-year-old nonsmokers who were dead after 20 years is Smoking Status Round to three decimal places as needed.) Smoker (S) Nonsmoker (NS) Dead 148 234 Alive 445 504 (c) State the appropriate conclusion. Choose the correct answer below. A. There is no difference between smokers and nonsmokers. Age Group O B. In almost all age groups, s kers had a lower death rate than nonsmokers. 18-24 NS 25-34 45-54 75 or older 3 2 4 6 16 NS NS NS 65-74 NS O C. In almost all age groups, smokers had a higher death rate than nonsmokers. 101 15 64 Alive 53 63 121 152 97 8 103 66 Submit Quiz Previous Next MacBook Air 20 886 F3 F12 W A 6 8 delete E R T Y U O P G H K