Mathematics. 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 = 3x2.
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Statistics. (in an experiment) the event studied and expected to change when the independent variable is changed.
Mathematics A mathematical variable whose value is determined by the value assumed by an independent variable.
Statistics The observed variable in an experiment or study whose changes are determined by the presence or degree of one or more independent variables.
A variable affected by another variable or by a certain event. For example, because a stock's price is affected by dividend payments, earnings projections, interest rates, and many other things, stock price is a dependent variable. Compare independent variable.
dependent variable (dĭ-pěn'dənt) Pronunciation Key
In mathematics, a variable whose value is determined by the value of an independent variable. For example, in the formula for the area of a circle, A = πr2, A is the dependent variable, as its value depends on the value of the radius (r). Compare independent variable.