When we plot information on a graph the manipulated variable is always plotted on the X - axis and the responding variable is always plotted on the Y - axis. Independent variable is another name for manipulated variable. It is independently selected by the experimenter to be manipulated.

What axis is the manipulated variable located on?

The x-axis (manipulated variable) is the horizontal line and the y-axis (responding variable) is the vertical line.

Where do you place the manipulated independent variable on a line graph?

In graphing jargon, the independent variable is plotted on the x-axis and the dependent variable is plotted on the y-axis. In any data set, the independent or X-variable is the one that was chosen or manipulated by the experimenter.