An interviewer stands at a street corner and conducts interviews
An interviewer stands at a street corner and conducts interviews until obtaining a quota in various groups representing the relative sizes of the groups in the population. For instance, the quota might be 50 factory workers, 100 housewives, 60 elderly people, 30 Hispanics, and so forth. This is called quota sampling. Is this a random sampling method? Explain, and discuss potential advantages or disadvantages of this method. (The Gallup organization used quota sampling until it predicted, incorrectly, that Dewey would easily defeat Truman in the 1948 presidential election.)
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