A Study Published in the American Journal of Public Health

question 63

Multiple Choice

A study published in the American Journal of Public Health was conducted to determine whether the use of seat belts in motor vehicles depends on ethnic status in San Diego County. A sample of 792 children treated for injuries sustained from motor vehicle accidents was obtained, and each child was classified according to (1) ethnic status (Hispanic or non-Hispanic) and (2) seat belt usage (worn or not worn) during the accident. The number of children in each category is given in the table below. Referring to these data, the calculated test statistic is:

• A) approximately -0.9991
• B) nearly -0.1368
• C) about 48.1849
• D) approximately 72.8063

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Definitions:

Developing Countries

Nations with a lower level of industrialization, lower income per capita, and usually lower standards of living, often working towards more advanced social and economic status.

Economic Openness

The extent to which a country allows for the free flow of goods, services, and capital across its borders.

United States Agency

Generic term for any of various organizations of the United States government, responsible for specific functions.

International Development

A sector concerned with improving the economic, political, and social quality of life for people in developing countries through aid, investment, and policy.