Numerical variables — values are numbers

Discrete numerical variable
Usually counts
Continuous numerical variable
Potentially any value within some range

Information about European countries

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

(Note that Lifetime (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:

Membership of EU Membership status in 20014.
Lifetime Male life expectancy in 2011.
Measles % of children aged 1 immunised in 2012.
Fertility Fertility rate per woman in 2012.
BP Mean blood pressure for males 25+ in 2009.