An advertiser of a certain brand of aspirin lets call it


Question: 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: Tylenol, Extra Strength Tylenol, Brand B aspirin, Advil.
a. Is this an open- or closed-form question? Explain.

b. Comment on the variety of choices given to respondents.

c. Comment on the advertiser's claim.

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Basic Statistics: An advertiser of a certain brand of aspirin lets call it
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