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Which statement regarding biased sampling is false?

1) Online sampling is biased because only the people who happen
to visit the web site will take the survey.
2) A radio call-in survey is biased because only people who feel
strongly about the topic will respond.
3) A survey handed to every third person leaving a library is biased
because everyone leaving the library was not asked to
participate.
4) Asking for experts to take a survey is biased because they may
have particular knowledge of the topic.

User Jinbom Heo
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1 Answer

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The answer is number four.
User Lrsjng
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