An automobile rental company wants to predict the yearly maintenance expense (Y) for an automobile using the number of miles driven during the year ( ) and the age of the car ( , in years) at the beginning of the year. The company has gathered the data on 10 automobiles and run a regression analysis with the results shown below:.
Summary measures
Multiple R 0.9689
R-Square 0.9387
Adj R-Square 0.9212
StErr of Estimate 72.218
This model explains: