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, there is sufficient evidence to conclude that
A) use of seat belts in motor vehicles is related to ethnic status in San Diego County.
B) use of seat belts in motor vehicles depends on ethnic status in San Diego County.
C) use of seat belts in motor vehicles is associated with ethnic status in San Diego County.
D) All of the above.
Correct Answer:
Verified
Q90: TABLE 12-9
Many companies use well-known celebrities as
Q91: TABLE 12-9
Many companies use well-known celebrities as
Q92: TABLE 12-7
Data on the percentage of 200
Q93: TABLE 12-7
Data on the percentage of 200
Q94: TABLE 12-7
Data on the percentage of 200
Q96: TABLE 12-9
Many companies use well-known celebrities as
Q97: TABLE 12-10
One criterion used to evaluate employees
Q98: TABLE 12-10
One criterion used to evaluate employees
Q99: When using the X² tests for independence,
Q100: TABLE 12-8
A study published in the American
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