What is variable and example?

A variable is any characteristics, number, or quantity that can be measured or counted. A variable may also be called a data item. Age, sex, business income and expenses, country of birth, capital expenditure, class grades, eye colour and vehicle type are examples of variables.

For More Information Please Refer: https://www.abs.gov.au/websitedbs/a3121120.nsf/home/statistical+language+-+what+are+variables