We have also looked at drawing the line of best fit through our data. When drawing a chart or a graph, the independent variable goes on the horizontal (x) axis and the dependent variable goes on ...

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 explore this concept in more detail and understand why it is important.

Figure 1: A Graph showing grades achieved against the time spent ... the difference between each value and the mean value for both the dependent and the independent variable. In this case this means ...