Variables and their types.

Variables whose values are determined by chance are called random variables.

There are two types of variables:

1) Qualitative variables.
2) Quantitative variables.


Qualitative variables are non numeric in nature and do have any particular ordering.

here are some examples of Qualitative variables; Hair color (Black, Brown)


Quantitative variables can assume numeric values and can be classified into two groups:

• Discrete variables.
• Continuous variables.

here are some examples of Quantitative variables; height, weight etc.....