Polls That Use Large Random Samples Yield Very Accurate Predictions

question 7

Multiple Choice

Polls that use large random samples yield very accurate predictions. Since 1936, Gallup poll results taken just before U.S. National election days have diverged from actual election results by an average of only about _____.

• A) 2%
• B) 4%
• C) 6%
• D) 8%

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Definitions:

Incarceration

The state of being confined in prison; imprisonment.

Wetland

An area of land saturated with water, either permanently or seasonally, creating a distinct ecosystem often rich in biodiversity.

Dredged Material

Material that has been removed from the bottom of water bodies to maintain or increase waterway depth for navigation and flood control purposes.

Marketable Discharge Permits

Permits that allow holders to emit a certain amount of pollutants into the environment, which can be bought, sold, or traded, creating an economic incentive for reducing emissions.