In words, this says Y is a function of X. Y is thought of as the dependent variable and X as the independent variable. Let’s ...

But in an investigation into eye colour, the number of people is the dependent variable and the data is discrete. Independent variables can be categoric or continuous. An example of categoric data ...

The main variables in a science experiment are the independent variable, the dependent variable and the control variables. The Independent Variable is what we change or control in the experiment.