Suppose that we add the Dodge Viper to the data in Problem 21 in Section 4.2. A

Question:

Suppose that we add the Dodge Viper to the data in Problem 21 in Section 4.2. A Dodge Viper weighs 3425 pounds and gets 11 miles per gallon.
(a) Compute the coefficient of determination of the expanded data set. What effect does the addition of the Viper to the data set have on R2?
(b) Is the point corresponding to the Dodge Viper influential? Is it an outlier?