TABLE 12-8
A study published in the American Journal of Public Health was conducted to determine whether the use of seat belts in motor vehicles in San Diego County depends on ethnic status. 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 Table 12-8, the calculated test statistic is
A) -0.9991.
B) -0.1368.
C) 48.1849.
D) 72.8063.

Question

TABLE 12-8
A study published in the American Journal of Public Health was conducted to determine whether the use of seat belts in motor vehicles in San Diego County depends on ethnic status. 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 Table 12-8, the calculated test statistic is
A) -0.9991. 
B) -0.1368. 
C) 48.1849. 
D) 72.8063.

Quizplus · Accepted Answer

The calculated test statistic is 48.1849, as indicated in the options provided.

TABLE 12-8 A Study Published in the American Journal of Public Health