4. O-5 points A used car dealer wants to develop a regression equation that dele

Question

4. O-5 points A used car dealer wants to develop a regression equation that delermines mileage as a function of the age of a car in years. He collects the data shown Delow for the 12 cars he has on his lot. Assignment 10 data a) What is c slope of the negression cquation? Give your answer to two decimal places c) A1 year old car is delivered to his lot with 160000 miles. Manually enter these values in the data table above and re the regression analysis. What is the value of the slope? Give your answer to two decimal places. run d) Including the additional ca what is the value of the comelation coefficient? Give your answer to two decimal places e) Did the additional csr strengthen or weeaken thr linear relationship brtween age and mileag weakened the linen It strengthened the linear relationship. Can not be determined. My Notes

Explanation / Answer

Part-a= 11742.99

Part-b=0.93

Part-c= 2279.92

Part-d=0.23

Part-e First option

Part-a= 11742.99

Part-b=0.93

Part-c= 2279.92

Part-d=0.23

Part-e First option

It weakens the linear relationship

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