Information about African countries

Use the diagram to discuss the difference between numerical and categorical variables.

(Note that Life expectancy (male life expectancy) is a continuous variable even though it has been rounded to an integer.)

Use the pop-up menu to select the variable to display on the map. Select countries by clicking on data matrix or map.

The variables are:

European European power in control of the country in 1945
Calories Calories per capita per day in 1998
Life expectancy Male life expectancy in 2003
AIDS/HIV Percentage of adults (15-49) with AIDS/HIV in 2003