About 1,660,000 results
Open links in new tab
  1. Variable (mathematics) - Wikipedia

    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 …

  2. Types of Variables in Research | Definitions & Examples

    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 …

  3. VARIABLE Definition & Meaning - Merriam-Webster

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

  4. What are Variables? - Science Buddies

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

  5. What is a variable? (video) | Khan Academy

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

  6. Independent vs Dependent Variables | Definition & Examples

    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 …

  7. Types of Variables in Research & Statistics | Examples

    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).