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, at 5% level of significance, the critical value of the test statistic is
Definitions:
Consistency
The quality of always acting or behaving in the same way, exhibiting uniformity in essential traits.
Consensus
A general agreement or the practice of developing such an agreement among the members of a group or community.
Frequency
The rate at which an event or occurrence happens within a given period of time.
Stereotype
A generalized belief or expectation about a particular group or class of people that individuals apply to members of that group.
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