TYPES OF VARIABLES

CATEGORY:

In categorical variable, on-numerical forms that don’t follow order

Example: The marital status of the population with the following forms: single, married, separated, divorced and widower.

CONTINUOUS:

It is expressed in numerical form

·         Discrete – in this variable take values which are whole numbers.

Example – number of people using cell phone in a class

·         Continuous – this variable take values which are between two numbers

Example - The height of 5 friends measured in meters: 1.73, 1.82, 1.77, 1.69, 1.75.

NOMINAL

In this variable it does not give further information or does not follow an order.

Example – password of a person.

ORDINAL

In this variable numeric or non numeric variable follows an order.

Example – numeric – size of shirts (40, 42, 44....)

                       Non numeric – sports medal (gold silver & bronze)

SCALE

In this variable two or more numbers are compared to arrive at information such as difference & it should be scale.

Example – GDP inflation rate.

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