Question: In a study on speed control, it was found that main reasons for regulations were to make traffic flow more than efficient and to minimize

In a study on speed control, it was found that main reasons for regulations were to make traffic flow more than efficient and to minimize the risk of danger. An area that was focused on in the study was the distance required to completely stop a vehicle at a various speed. The data show below:

MPH 20 30 40 50 60 80

Braking Distance (feet) 20

133

205

411

Assume MPH is going to predict stopping distance. Is there a linear relationship between the two variables? Find the model equation. Does the model fit to predict the response variable?

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