Find a news story that discusses a recent study involving statistical methods. Identify the study as either an observational study or a randomized experiment. Comment on how well the simple concepts discussed in this chapter have been applied in the study. Comment on whether the news article, including the headline, accurately reports the conclusions that can legitimately be made from the study. Finally, discuss whether any information is missing from the news article that would have helped you answer the previous questions.
Answer to relevant QuestionsSuppose that a television network wants to know how daytime television viewers feel about a new soap opera the network is broadcasting. A staff member suggests that just after the show ends they give two phone numbers, one ...Moore and Notz (2014, p. 25) reported the following contradictory evidence: “The advice columnist Ann Landers once asked her readers, ‘If you had it to do over again, would you have children?’ She received nearly ...Suppose a study were to find that twice as many users of nicotine patches quit smoking than non-users. Suppose you are a smoker trying to quit. Which version of an answer to each of the following components would be more ...An advertiser of a certain brand of aspirin (let’s call it Brand B) claims that it is the preferred painkiller for headaches, based on the results of a survey of headache sufferers. The choices given to respondents were: ...In each case, the measurement is repeated below. Explain whether it is an interval or a ratio variable. a. The number of floors in a building. b. The height of a building measured as precisely as possible. c. The number of ...
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