# Independent-variable

**noun**

1.

Mathematics. 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 .

Compare (def 1).

2.

Statistics. (in an experiment) a variable that is intentionally changed to observe its effect on the dependent variable.

Compare (def 2), (def 1).

**noun**

1.

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) 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

independent variable

(ĭn’dĭ-pěn’dənt)

In mathematics, a variable whose value determines the value of other variables. For example, in the formula for the area of a circle, A = πr2, r is the independent variable, as its value determines the value of the area (A). Compare dependent variable.

Tagged: i

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