13.4 ANOVA

Source	df	SS	MS	F
Regression	$k$	$SSR$	$MSR = \dfrac{SSR}{k}$	$\dfrac{MSR}{MSE}$
Error	$n – (k+1)$	$SSE$	$MSE = \dfrac{SSE}{(n – (k+1))}$
Total	$n – 1$	$SSTO$