## 11.4 Regression and correlation

Draw the graph of $$\hat{y} = 5 + 2x$$ for values of $$x$$ between $$0$$ and $$10$$.

1. Add some points to the scatterplot such that the correlation is approximately $$r=0.9$$.
2. Add some more points to the scatterplot such that the correlation is approximately $$r=0.2$$.