The Sample Data Below Was Tested to Determine Whether CarTest Statistic: χ2 =34

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The Answer is We reject the null hypothesis that car color and accident status are independent.The standardized residuals are given by

\left[ \begin{array} { r r r } 3.469 & - 3.469 & 0 \- 2.271 & 2.271 & 0\end{array} ight]

. The largest residual in magnitude is for red cars that have been in an accident.Since the residual is positive,more red cars were in accidents than the null hypothesis of independence would predict.There is also a large negative residual for blue cars that have been in an accident.This indicates that fewer blue cars were in accidents than we expected.We could speculate that younger,faster drivers tend to drive red cars,resulting in more accidents for this colour of car.

The Sample Data Below Was Tested to Determine Whether Car

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The Sample Data Below Was Tested to Determine Whether Car

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