Rewrite of statistics script as suggested by punch and change in slides accordingly
Creating scatter plot:\\
{\ex \lstinline| scatter(x, y)|}
Creating pie chart:\\
{\ex \lstinline| pie(p, labels=l)|}
Creating bar chart:\\
{\ex \lstinline| bar(x, y)|}
Creating log-log chart:\\
{\ex \lstinline| loglog(x, y)|}