Domain of Variable/Examples/Countries in Europe

Example of Domain of Variable

Let $C$ be a country in Europe.

The domain of $C$ is the set $\set {\text {France}, \text {Germany}, \text {Spain}, \text {Italy}, \ldots}$

These can be represented numerically if desired, by assigning an integer to each of the countries in Europe, for example:

$1: \text {France}$

$2: \text {Germany}$

$3: \text {Spain}$

$4: \text {Italy}$

$\vdots$

$C$ is a discrete variable.

Sources

• 1972: Murray R. Spiegel and R.W. Boxer: Theory and Problems of Statistics (SI ed.) ... (previous) ... (next): Chapter $1$: Variables and Graphs: Solved Problems: Variables: $1.2 \ \text{(e)}$