Question

What is an independent variable ?

Answer 1

a variable whose variation does not depend on that of another.

Answer 2

An independent variable is a variable that does not depend on anything. It is manipulated to determine the value of a dependent variable. The dependent variable is what is being measured in an experiment or evaluated in a mathematical equation and the independent variables are the inputs to that measurement. Example: Time would always be an independent variable because nothing affects time, however, time can affect everything.