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, which test would be used to properly analyze the data in this experiment?
A) χ2 test for independence
B) χ2 test for differences among more than two proportions
C) Wilcoxon rank sum test for independent populations
D) Kruskal-Wallis rank test
Correct Answer:
Verified
Q3: TABLE 12-4
One criterion used to evaluate employees
Q4: TABLE 12-2
Many companies use well-known celebrities as
Q5: If we wish to determine whether there
Q6: TABLE 12-3
A computer used by a 24-hour
Q6: In testing a hypothesis using the χ2
Q7: TABLE 12-2
Many companies use well-known celebrities as
Q8: TABLE 12-3
A computer used by a 24-hour
Q10: TABLE 12-1
A study published in the American
Q11: TABLE 12-2
Many companies use well-known celebrities as
Q82: When testing for independence in a contingency
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