In mathematics, a variable (from Latin variabilis 'changeable') is a symbol, typically a letter, that refers to an unspecified mathematical object. [1][2][3] One says colloquially that the variable represents or …

The meaning of VARIABLE is able or apt to vary : subject to variation or changes. How to use variable in a sentence.

These factors that change in a scientific experiment are variables. A properly designed experiment usually has three kinds of variables: independent, dependent, and controlled.

Sep 19, 2022 · Variables can be defined by the type of data (quantitative or categorical) and by the part of the experiment (independent or dependent).

Jun 13, 2022 · In computer programming, variables are symbols that are assigned information, though the information they can be assigned is not limited to numbers—the variables in programs can be …

Variables in math are symbols, often letters, that represent different values in various situations. They help us understand and solve problems with changing values.

Aug 12, 2025 · In research, an independent variable is the factor you deliberately change or control, while a dependent variable is the outcome you measure. Think of it as cause and effect — the …

Aug 14, 2021 · In research, a variable is any qualitative or quantitative characteristic that can change and have more than one value, such as age, height, weight, gender, or income. Before starting a …

Variables are characteristics or qualities that you might need to measure or count. Let’s talk about the different types of variables you might come across when analyzing data.

The flowchart below summarizes the classification scheme used in this lesson to describe variables. All variables fall into one of two categories: quantitative or qualitative.