Random Sampling in Public Opinion Polling Operates on the Principle

question 45

Multiple Choice

Random sampling in public opinion polling operates on the principle that

• A)the answers to include in aggregate poll results must be selected by chance in order to maximize accuracy.
• B)everyone should have an equal probability of being selected.
• C)the questions to be asked of a given respondent must be selected randomly so that all respondents are asked the same question the same number of times.
• D)the larger the number of people who are polled,the greater the accuracy of the poll.
• E)Both b and c are true.

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