Topics: Variable (Statistics) - Statistics
In statistics, a qualitative variable is a variable that describes the quality of something, rather than quantities.
In descriptive statistics, qualitative variables can be:
- Ordinal, where an order relation can be established (e.g. the satisfaction level of a client.
- Nominal, which simply use nouns (e.g. the birthplace of a person).
Examples
Examples of qualitative variables are:
- The civil status of a person (nominal qualitative)
- The hair colour of a dog (nominal qualitative)