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.

Using this method you manipulate the controllable factors (independent variables or inputs) in your process at different levels to see their effect on some response variable (dependent variable or ...

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 ...

Explain why probability is important to statistics and data science. See the relationship between conditional and independent events in a statistical experiment. Calculate the expectation and variance ...