question archive A study was conducted to determine whether the use of seat belts in vehicles depends on whether or not a child was present in the car
A study was conducted to determine whether the use of seat belts in vehicles depends on whether or not a child was present in the car
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A study was conducted to determine whether the use of seat belts in vehicles depends on whether or not a child was present in the car. A sample of 1,000 people treated for injuries sustained from vehicle accidents was obtained, and each person was classified according to (1) child present (yes/no) and (2) seat belt usage (worn or not worn) during the accident. The data are shown in the table below Child present in car Seat Belts NO Worn 83 Not Worn 337 At 5% level of significance, conduct a proper hypothesis testing showing all the steps used to analyse the data in this experiment?
