Question: Content X w learn-us-east-1-p X 20211002_PHC x (4 unread) - enoc x > darwinian paradic x C Short Essay Ques X *Homework Help - X


Content X w learn-us-east-1-p X 20211002_PHC x (4 unread) - enoc x > darwinian paradic x C Short Essay Ques X *Homework Help - X + X https://bb-csuohio.blackboard.com/ultra/courses/_140669_1/cl/outline?legacyUrl=~2Fwebapps~2Fblackboard~2Fconten... G * Question Completion Status: X QUESTION 7 3 points Save Answer In a study, researchers designed a program to prevent college students from smoking. The program ran for a year at a college on randomly selected 200 students. Before the program was administrated, there were 62 students smoked almost everyday and 138 students did not smoke. After a year, the same group of students was surveyed again. There were 32 students who smoked a year ago decided not to smoke any more. However, 18 students who did not smoke a year ago start smoking now. The survey result is recorded in the following table. Before the program After the program Do not smoke Smoke Do not smoke 120 32 Smoke 18 30 Which of the following statement(s) is(are) correct? The Mantel-Haenszel Method should be used for this data O McNemar s Test should be used for this data. At 5% level of significance, the evidence is statistically significant that there is reduction in the rate of smoking among students after the program. O At 5% level of significance, the evidence is statistically insignificant that there is reduction in the rate of smoking among students after the program. X QUESTION 8 3 points Save Answer A study is done to investigate the effects of hormone use in post-menopausal women. Suppose that it is found that the Relative Risk of developing breast cancer for those patients exposed to hormones relative to the unexposed patients is RR = 11. What is the interpretation of this result? O Those patients exposed to hormones are 11 times more likely to develop breast cancer than those not exposed. Those not exposed to hormones are 11 times more likely to develop breast cancer than those exposed. O The probability of developing breast cancer is the same in both groups. O None of the above. Priv Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit Ter Type here to search O Eli w 11:14 PM 68'F Mostly cloudy 10/20/2021 73
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
