Which of the following is NOT a voluntary response sample Choose the correct answer below OA A survey is taken at a mall by

Question

Which of the following is NOT a voluntary response sample Choose the correct answer below OA A survey is taken at a mall by asking passersby if they will fill out the survey OB A radio station asks for call in responses to a question concerning city recycling C A local dentist asks her patients to fill out a questionnaire and mail it back to determine the quality of the care received during an offic O D Quiz scores from a college level statistics course are analyzed to determine student progress

Kunduz · Accepted Answer

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