University of California, Berkeley: Philip Stark's SticiGui: "Chapter 3: Statistics”
Read this chapter for an introduction on how to present a summary of data through graphs, tables, and numerical measures such as the average. This will be helpful in terms of analyzing business data in a simple way with the help of the widely-used methods in statistical analysis. There are several exercises and Java applets embedded in the text that are meant to further reinforce your learning. Do not skip these exercises! For instructions on how to navigate these exercises, see the author's instructions in SticiGui: "How to Use These Materials”.