# dependent variable

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## dependent variable

*n.*

**1.**

*Mathematics*A mathematical variable whose value is determined by the value assumed by an independent variable.

**2.**

*Statistics*The observed variable in an experiment or study whose changes are determined by the presence or degree of one or more independent variables.

## dependent variable

*n*

**1.**(Mathematics) a variable in a mathematical equation or statement whose value depends on that taken on by the independent variable: in "y = f(x)", "y" is the dependent variable.

**2.**(Psychology)

*psychol*

*statistics*the variable measured by the experimenter. It is controlled by the value of the independent variable, of which it is an index

## depend′ent var′iable

*n.*

a variable in a functional relation whose value is determined by the values assumed by other variables in the relation, as

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

## de·pen·dent variable

(dĭ-pĕn′dənt) In mathematics, a variable whose value is determined by the value of an independent variable. For example, in the function

*y*=*x*+ 5,*y*is the dependent variable because its value is determined by the value of*x.*ThesaurusAntonymsRelated WordsSynonyms

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Noun | 1. | dependent variable - (statistics) a variable in a logical or mathematical expression whose value depends on the independent variable; "if f(x)=y, y is the dependent variable"variable quantity, variable - a quantity that can assume any of a set of values 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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