When I was in high school, we used to plot points on graph paper and then try to fit a curve with some plastic templates named in undoubtedly sexist terms as French Curves. There was also a flexible ...

This adds a cubic polynomial fit to the scatter plot, as shown in Figure 13.10. Now you have two polynomial fits in the window. Note that an entry for the cubic polynomial has been added to the ...

is the F statistic for testing the null hypothesis that all parameters are zero except for the intercept. This is formed by dividing the mean square for model by the ...