[b]Regression and Correlation[/b]

1. Drag the points around the graph and watch how the value of, r, the PMCC (Correlation Coefficient) changes.[br]2. Can you arrange the points so that r=1 or as close to 1 as you can get.[br]3. Now arrange the points to make r as close to -1 as you can get.[br]4. Clik the check box to show the equation of the line of best fit. [br]5. Move the points so that they have integer coordinates and then clacvulate the line of regression of y on x using your techniques from S1.