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.

VARIABLE definition: apt or liable to vary or change; changeable: variable moods. See examples of variable used in a sentence.

2022年9月19日 · Variables can be defined by the type of data (quantitative or categorical) and by the part of the experiment (independent or dependent).

2025年8月12日 · 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 …

2021年8月14日 · 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 …

2024年3月26日 · 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 …

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.

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