Literal Equation
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how one variable affects another. (APEX)
The one variable in an experiment that is changed to test a hypothesis.
Each bar displays the value of one variable for one value of a second variable. The second may be a qualitative variable or a quantitative one.
A constant is not a variable at all, and none of its factors was a variable. It is constant.
Line graphs are used to display data to show how one variable (the Responding variable) changes in response to another variable (the Manipulated variable).