# independent variable

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## independent variable

*n.*

**1.**

*Mathematics*A variable whose value determines the value of other variables.

**2.**

*Statistics*A manipulated variable in an experiment or study whose presence or degree determines the change in the dependent variable.

## independent variable

*n*

**1.**(Mathematics) Also called:

**argument**a variable in a mathematical equation or statement whose value determines that of the dependent variable: in

*y*= f(

*x*),

*x*is the independent variable

**2.**(Statistics)

*statistics*Also called:

**predictor**the variable which an experimenter deliberately manipulates in order to observe its relationship with some other quantity, or which defines the distinct conditions in an experiment. See also experimental condition

## in′depend′ent var′iable

*n.*

a variable in a functional relation whose value determines the value or values of other variables, as

*x*in the relation*y*= 3*x*^{2}.[1850–55]

## in·de·pen·dent variable

(ĭn′dĭ-pĕn′dənt)*Mathematics*

A variable whose value determines the value of other variables. For example, in the function

*y*=*x*- 4,*x*is the independent variable because its value determines the value of*y.*ThesaurusAntonymsRelated WordsSynonyms

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Noun | 1. | independent variable - (statistics) a variable whose values are independent of changes in the values of other variablesvariable quantity, variable - a quantity that can assume any of a set of values factor - an independent variable in statistics statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters |

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