Statics Question:
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Which of the following would be most likely to produce selection bias in a survey?
Answer:
► a) Using questions with biased wording
► b) Only receiving responses from half of the people in the sample
► c) Conducting interviews by telephone instead of in person
► d) Using a random sample of students at a university to estimate the proportion of people who think the legal drinking age should be lowered
Answer - d
► b) Only receiving responses from half of the people in the sample
► c) Conducting interviews by telephone instead of in person
► d) Using a random sample of students at a university to estimate the proportion of people who think the legal drinking age should be lowered
Answer - d
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