Math  /  Word Problems

QuestionA principal polled 50 students about phone use in class. Only 10%10\% admitted to using phones, but 25%25\% were observed. What's the main bias? (A) Undercoverage (B) Voluntary response (C) Convenience sample (D) Response bias (E) Nonresponse bias

Studdy Solution
Between options () and (), the most likely source of bias is response bias. This is because the students may have been dishonest when they responded to the poll. They may have said they never had their phone out during class because they thought that was the answer the principal wanted to hear or because they were afraid of getting in trouble. This is a form of response bias known as social desirability bias.
Therefore, the correct answer is () Response bias.

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