Because it would be prohibitively expensive to ask every citizen his or her opinion on a whole range of issues,polls rely on what is called a(n)________ of the population.

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Quizplus · Accepted Answer

Polls rely on a sample of the population, which is a smaller group taken from the larger population to represent their opinions. This is more feasible than conducting a census, which requires asking every citizen. An extraction, slice, and demography are not commonly used terms in this context.

Because It Would Be Prohibitively Expensive to Ask Every Citizen