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Even Before the Record Gas Prices During the Summer of 2008

question 78

Multiple Choice

Even before the record gas prices during the summer of 2008, an article written by Will Lester of the Associated Press reported on a poll in which 80% of those surveyed say that Americans who currently own a SUV (sport utility vehicle) should switch to a more fuel-efficient vehicle to ease America's dependency on foreign oil. This study was conducted by the Pew Research Center for the People & the Press. As a follow-up to this report, a consumer group conducted a study of SUV owners to estimate the mean mileage for their vehicles. A simple random sample of 91 SUV owners was selected, and the owners were asked to report their highway mileage. The following results were summarized from the sample data: Based on these sample data, compute and interpret a 90% confidence interval estimate for the mean highway mileage for SUVs.

Definitions:

Entertainment

Activities, performances, or products designed to amuse, delight, or engage people, ranging from music and films to sports and games.

Social Hierarchy

The arrangement of individuals or groups in a society based on status, power, wealth, or some other criteria.

Native Americans

Indigenous peoples of the United States, including various tribes, communities, and nations who were the original inhabitants of the land.

Socially Significant

Having a profound impact on society or on social relations, often involving issues that affect the collective well-being or perceptions.