TABLE 12-1
a Study Published in the American Journal of Public

question 187

Multiple Choice

TABLE 12-1
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.
$$\begin{array}{l}\begin{array} { l |r l } &\text {Hispanic }&\text {Non Hispanic }\\\hline \text { Seat belts worn } & 31 & 148 \\\text { Seat belts not worn } & 283 & 330\end{array}\end{array}$$
-Referring to Table 12-1, at 5% level of significance, there is sufficient evidence to conclude that

• A) use of seat belts in motor vehicles depends on ethnic status in San Diego County.
• B) use of seat belts in motor vehicles is associated with ethnic status in San Diego County.
• C) use of seat belts in motor vehicles is related to ethnic status in San Diego County.
• D) all of the above

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Definitions:

Strikes

Work stoppages initiated by employees as a form of protest, typically against employers to demand better wages, working conditions, or other labor-related rights.

Government

The governing body of a nation, state, or community, responsible for making and enforcing laws, policies, and public services.

Wage Labor

An employment system where workers are paid a fixed rate for the hours they work, as opposed to being paid a salary or owning a share of production.

Economic Independence

The condition of having sufficient personal wealth to live, without needing to work for basic necessities.