News Story 20: “Eating Organic Foods Reduces Pesticide Concentrations in Children.” Exercises 30 and 31 list the titles of some of the news stories printed or summarized in the Appendix. In each case, determine whether the study was a randomized experiment or an observational study, then discuss whether the title is justified based on the way the study was done.
Answer to relevant Questionsa. News Story 2: “Research shows women harder hit by hangovers.” b. News Story 15: “Kids’ stress, snacking linked. c. News Story 20: “Eating Organic Foods Reduces Pesticide Concentrations in Children.” Peruse journal articles, and find two examples of scatterplots for which the authors have computed a correlation that you think is misleading. For each case, explain why you think it is misleading Refer to the quote in the previous exercise, about marijuana and cocaine use in 1980 and 1993. a. What was the relative risk of cocaine use for college students in 1980 compared with college students in 1993? Write your ...Kohler (1994, p. 427) reports data on the approval rates and ethnicity for mortgage applicants in Los Angeles in 1990. Of the 4096 African American applicants, 3117 were approved. Of the 84,947 white applicants, 71,950 were ...According to the University of California at Berkeley Wellness Letter (February 1994, p. 1), only 40% of all surgical operations at that time required an overnight stay at a hospital. Rewrite this fact as a proportion, as a ...
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