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, at 5% level of significance, the critical value of the test statistic is
Definitions:
Q14: Referring to Table 10-10, construct a 90%
Q18: Referring to Table 11-12, based on the
Q54: Referring to Table 11-3, the test is
Q99: Referring to Table 12-17, the null hypothesis
Q101: Referring to Table 10-12, the p-value of
Q107: Referring to Table 11-9, in the context
Q126: Referring to Table 12-20, what should be
Q142: Referring to Table 10-13, state the null
Q162: The strength of the linear relationship between
Q208: Referring to Table 10-12, the same decision