Go to the library or the Internet, and locate a journal article that describes an observational study. Explain how it was done using the terminology of this chapter and whether you agree with the conclusions drawn by the authors.
Answer to relevant QuestionsDesign and carry out a single- blind study using 10 participants, as follows. Your goal is to establish whether people write more legibly with their dominant hand. In other words, do right-handed people write more legibly ...Find the journal article in the New England Journal of Medicine on which Case Study 6.5 is based. Evaluate the study using the seven steps on page 121. Refer to the data on median family income in Table 7.1; a five-number summary is given in Section 7.3, page 148. What income value would be an outlier at the upper end, using the definition of an outlier on page 150? ...Refer to the alcohol consumption data in Exercise 29. Students were also asked if they typically sit in the front, back, or middle of the classroom. Here are the responses to the question about alcohol consumption for the ...Suppose you are interested in genealogy, and want to try to predict your potential longevity by using the ages at death of your ancestors. You find out the ages at death for the eight great-grandparents of your mother and ...
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