related variable
nounUK /rɪˈleɪtɪd ˈveəriəbl/
US /rɪˈleɪtɪd ˈveriəbl/
A related variable is a thing that changes when another thing changes.
In the experiment, the plant's height was a related variable to how much water it got.
OTHER MEANINGS
2. In math, a variable whose value depends on another variable in an equation.
In y = 2x + 1, y is the related variable that changes when x changes.
3. In science, a factor that is connected to the one being tested and must be watched.
The scientist recorded the related variable of temperature during the experiment.
4. In statistics, a quantity that tends to move together with another quantity.
Height and weight are related variables in the study.