A popular website places opinion poll questions next to many of its news stories. Simply click your
Question:
A popular website places opinion poll questions next to many of its news stories. Simply click your response to join the sample. One of the questions was “Do you plan to diet this year?” More than 30,000 people responded, with 68% saying “Yes.” Which of the following is true?
a. About 68% of Americans planned to diet.
b. The poll used a convenience sample, so the results tell us little about the population of all adults.
c. The poll uses voluntary response, so the results tell us little about the population of all adults.
d. The sample is too small to draw any conclusion.
e. None of these.
Select the best answer.
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