Essay
For Questions , use the following narrative
Narrative: Aspirin and polyps
A well-designed experiment by the Ohio State University Medical Center studied whether or not taking an aspirin a day would affect colon cancer patients' chances of getting subsequent colon polyps.In the study, 635 patients with colon cancer participated; 317 of them were randomly assigned to the aspirin group, and the other 318 patients were assigned to a placebo (non-aspirin) group.The results showed that 17% of the patients in the aspirin group developed subsequent polyps, compared to 27% of the patients in the non-aspirin group.The results are summarized in the table below.
-{Aspirin and polyps narrative} Is there a statistically significant relationship between taking aspirin and developing subsequent polyps in colon cancer patients? If so, what is the relationship? Justify your answer.
Correct Answer:

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The chi-square statistic is 9.25 > 3.84 ...View Answer
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