11.37 Predicting a nation’s “average happiness’’ score. Consider the five statistics for each nation: LSI, the average life-satisfaction score; GINI, the GINI index; CORRUPT, the degree of government corruption; LIFE, the average life expectancy; and DEMOCRACY, a measure of civil and political liberties.

  1. (a) Using numerical and graphical summaries, describe the distribution of each variable.

  2. (b) Using numerical and graphical summaries, describe the relationship between each pair of variables.