Cars These data report characteristics of 413 types of cars sold in the United States in 2016.

Question:

Cars These data report characteristics of 413 types of cars sold in the United States in 2016. One column gives the official mileage (combined MPG), and another gives the rated horsepower.

(a) Make a scatterplot of these two columns. Which variable 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.

(d) Interpret the correlation in the context of these data. Does the correlation provide a good summary of the strength of the relationship?

(e) Use the correlation line to estimate the mileage of a car with 200 horsepower. Does this seem like a sensible procedure?

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a Horsepower on the xaxis with combined MPG on yaxis b Moderate n...View the full answer

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