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An advertiser of a certain brand of aspirin (let's call it Brand B) claims that it is the preferred painkiller for headaches, on the basis of the results of a survey of headache sufferers. But further investigation reveals that the choices given to respondents were Tylenol, Extra-Strength Tylenol, Brand B aspirin, and Advil.

a. Is this an open- or closed-form question? Explain.

b. Comment on the choices given to respondents.

c. Comment on the advertiser's claim.

d. What choices do you think should have been given? Explain.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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