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5B -Should You Believe a Study Name: Due: Textbook problems: Section 5B, p. 353 -356, QuickQuiz: #'s 3, 5; Exercises: #'s: 11, 18, 15, 21, 29, 35, 43, 45. 1. Multiple Choice: Consider a survey in which 1000 people are asked, "How often do you go to the dentist during a year?" The variable of interest in this study is: the self-identified level of fear of going to the dentist b. the 1000-person sample. C. the number of annual visits to the dentist. d. the quality of dental care. 2. Multiple Choice: The show The Voice selects winners based on votes cast by anyone who wants to vote. This means that: a. the winner is the person most Americans want to win. b. the winner may or may not be the person most Americans want to win because the voting is subject to participation bias. the winner may or may not be the person win because the voting process should have been double-blind. 3. An article in Journal of Nutrition noted that chocolate is rich in flavonoids. The article reports that "regular consumption of foods rich in flavonoids may reduce the risk of coronary heart disease." The study received funding from the candy company Mars, Inc. and the Chocolate Manufactures Association. Identify at least one potential source of bias in this study. Explain why the indicated form of bias would or would not affect your view of the study or claim