(a) Is this study an experiment? Explain your answer.(b) The investigators report that
Chapter 0, Problem 23.42(choose chapter or problem)
(a) Is this study an experiment? Explain your answer.(b) The investigators report that less than 4% of cases or controls refused toparticipate. Why does this fact strengthen our confidence in the results?(c) The researchers conjectured that high olive oil consumption would be morecommon among patients without cancer than among patients with colon canceror rectal cancer. What do the data say?
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