Every four years,when it is time to elect a new president,we pay much attention to surveys,which we usually call "polls." Even though there are more than 300 million people in the United States,most political pollsters ask about a thousand people who they plan to vote for and use that information to predict how the election will turn out.Who is the sample for a presidential poll?

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The sample for a presidential poll is the 1,000 people who are asked whom they will vote for. Pollsters select a representative group of people from different areas, ages, and backgrounds who can provide a reasonably accurate prediction of the entire population's voting behavior. Asking every person who plans on voting or every American would be impractical and time-consuming, so pollsters use a sample to gather data efficiently.

Every Four Years,when It Is Time to Elect a New