Question: These data are described in Exercise 45. In exercise 45: These data report characteristics of 196 types of cars sold in the United States in

These data are described in Exercise 45.
In exercise 45:
These data report characteristics of 196 types of cars sold in the United States in 2012. One column gives the official mileage (combined MPG), and an-other gives the rated horsepower.
(a) Make a scatterplot of weight and highway mile-age. Which variable do you think makes the most sense to put on the x-axis, and which belongs on the y-axis?
(b) Describe any pattern that you see in the plot. Be sure to identify any outliers.
(c) Find the correlation between these two variables.
(d) Use the correlation line to estimate the mile-age of a car that weighs 4,000 pounds. Does this seem like a sensible procedure?

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