Question

A study was conducted to determine whether the use of seat belts in motor vehicles depends on the educational status of the parents. A sample of 792 children treated for injuries sustained from motor vehicle accidents was obtained, and each child was classified according to (1) parents' educational status (College Degree or Non-College Degree) and (2) seat belt usage (worn or not worn) during the accident. The number of children in each category is given in the table. Click the icon to view the contingency table. What is the calculated test statistic, rounded to four decimal places? A. -0.1368 B. 72.8063 O C. - 0.9991 D. 48.1849
Will rate, thank you in advance.

Answer 1

The statistical software output for this problem is :

Contingency table results: Rows: var2 Columns: None Non C c Total NW 31 148 179 w 283 330 613 Total 314 478 792 Chi-Square test: Statistic DF Value P-value Chi-square 1 48.184941 <0.0001

Test statistics = 48.1849

D)