What does the drv variable describe

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Reference no: EM132851670

Run library(ggplot2) and data('mpg) before answering questions below.

(a) How many rows are in mpg? How many columns?

(b) What does the drv variable describe? Read the help for ?mpg to find out.

(c) Make a scatterplot of hwy versus cyl. Comment on the outcome.

(d) What happens if you make a scatterplot of class versus drv? Why is the plot not useful?

Reference no: EM132851670

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