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.
-Referring to Table 12-1, the calculated test statistic is
A) -0.9991
B) -0.1368
C) 48.1849
D) 72.8063
Correct Answer:
Verified
Correct Answer:
Verified
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