Add Q-Q plots

lectures/lecture10/lecturenotes.tex

@@ -72,9 +72,21 @@
 
 \1 TODO: Picking index of dispersion
 
+\1 Quantile-quantile plots
+    \2 For each quartile: plot pairs of what the theoretical distribution
+        should be, and what the empirical (sample) distribution actually is
+    \2 $x$-axis: theoretical distribution
+    \2 $y$-axis: empirical distribution
+    \2 To plot theoretic quantile, have to invert the CDF
+    \2 Line should be straight if the distribution is a good fit
+    \2 Heavy tail / light tail
+
 \1 For next time
     \2 HW \#5 due tonight
     \2 Reach Chapter 13 on comparing systems
+    \2 HW \#6 posted
+        \3 There is a part that you need to do \emph{before} class
+
 
 
 \end{outline}