SCENARIO 12-8
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 below.

-Referring to Scenario 12-8,at 5% level of significance,the critical value of the test statistic is
A)3.8415
B)5.9914
C)9.4877
D)13.2767

Question

SCENARIO 12-8
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 below.
  
-Referring to Scenario 12-8,at 5% level of significance,the critical value of the test statistic is
A)3.8415 
B)5.9914 
C)9.4877 
D)13.2767

Quizplus · Accepted Answer

The critical value of the test statistic at a 5% level of significance is 3.8415.

SCENARIO 12-8 a Study Was Conducted to Determine Whether the Use of Use