Let's look at Europe. Refer to the previous exercise. Figure 4.10 (page 169) gives a scatterplot of the same data for the 48 European countries in the data set.
s (a) Make a plot of the data similar to Figure 4.10.
(b) Report the correlation.
(c) Summarize the differences and similarities between the relationship for all 181 countries and the results that you found in this exercise for the European countries only.
 gives a scatterplot of the same data for the 48 European countries in the data set..png)