Which of the following would be an example of a random sample? A researcher_________________?
Correct answer: D. None of the aboveHire Grant Writers
- A. administers a naira to every fifth woman who enters a business office
- B. examines the attitudes of residents of a city by interviewing every twentieth name in the city,s telephone book
- C. studies the attitudes of Democratic voters by choosing every tenth name found on a city,s list of registered Democrats
- D. None of the aboveHire Grant Writers
Explanation
Choosing every fifth or twentieth person is systematic sampling, not simple random sampling, because the selection follows a fixed interval. Therefore none of the listed examples is strictly a random sample, despite the stray text attached to option d.
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