Statistics: Scatter Plots and the Line of Best Fit

Author:
Demasi
1. Graph these points on graph paper. Draw the line of best fit. Find its equation. Check the box to see if your line agrees with the computer. 2. You can move the points to try a new example. 3. Move one or more points to see what effect it has on the line of best fit. (Does the line of best fit have to go through any of the points?) 4. Click the reset icon to return to the first set-up.
Use this to help understand the correlation coefficient value