To Estimate the Proportion of Voters in a Town Likely

question 15

Multiple Choice

To estimate the proportion of voters in a town likely to favor a tax increase for road repair, a random sample of people chosen from the voter registration list is surveyed and the proportion who favors the increase is found to be 43%. The actual proportion in the town is 40%. This difference is most likely an example of sampling:

• A) bias.
• B) variability.

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Definitions:

Airbags

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Combined Gas Law

A gas law that combines Charles's law, Boyle's law, and Gay-Lussac's law, describing the relationship among the pressure, volume, and temperature of a fixed amount of gas.

Universal Gas Constant

A physical constant that appears in many fundamental equations in the physical sciences, such as the ideal gas law.

Gas Constant

A physical constant that appears in the ideal gas law, relating the energy scale to the temperature scale.