Question

which best describes a variable?

Answer 1

A variable is a characteristic, number, or quantity that can be measured or counted and can take on different values. In the context of mathematics and programming, a variable is a symbol or name that represents a value or data type that can change or be updated. In research and statistics, variables can be classified as independent (manipulated or controlled) or dependent (observed and measured) based on their role in an experiment or analysis.

In summary, a variable is best described as a symbol that represents a value that can vary or change.