Explain how “depression” was measured for the research discussed in News Story 19 in the Appendix, “Young romance may lead to depression, study says.”
Answer to relevant QuestionsRead Original Source 4 on the companion website, “Duke Health Briefs: Positive Outlook Linked to Longer Life in Heart Patients.” Explain how the researchers measured “happiness.” Specify whether each of the following is a categorical or measurement variable. If you think the variable is ambiguous, discuss why. a. Years of formal education b. Highest level of education completed (grade school, high ...Explain how the concept of natural variability would enter into your conclusion about whether or not it could be concluded that the first route is faster, on average, than the second route. Here is a potential survey question: “Studies have shown that consuming one alcoholic drink daily helps reduce heart disease. How many alcoholic drinks do you consume daily?” a. Explain which two of the seven pitfalls ...The Sacramento Bee (11 Feb. 2001, p. A20) reported on a Newsweek poll that was based on interviews with 1000 adults, asking questions about a variety of issues. a. What is the margin of error for this poll? b. One of the ...
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