# Question: The data in the following table part of a set

The data in the following table, part of a set of data collected by Ledolter and Hogg, provide the number of miles per gallon (mpg) for city and highway driving of 2007 midsize-model cars, as well as the curb weight of the cars:

(a) Find the least squares regression line for highway mpg (y) and city mpg (x).

(b) Plot the points and the least squares regression line on the same graph.

(c) Repeat parts (a) and (b) for the regression of highway mpg (y) on curb weight (x).

(a) Find the least squares regression line for highway mpg (y) and city mpg (x).

(b) Plot the points and the least squares regression line on the same graph.

(c) Repeat parts (a) and (b) for the regression of highway mpg (y) on curb weight (x).

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