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 …

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

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

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).

Mar 26, 2024 · In research, variables are critical components that represent the characteristics or attributes being studied. They are the elements that researchers measure, control, or manipulate to …

Even when machine tools are used, each type of marble has variables from the norm that can affect the working process.

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 …

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 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.