Exercise

Exercise 5. Life expectancy and the Vietnam War - part 2

Now that you have created the data table in Exercise 4, it is time to plot the data for the two countries.

Instructions

100 XP

Use geom_line to plot life expectancy vs year for Vietnam and the United States and save the plot as p. The data table is stored in tab.
Use color to distinguish the two countries.
Print the object p.