ABSTRACT
But when have you ever spent much time and effort describing something that does not matter? The very fact that you are describing something suggests that it matters. Apparently you think there is something there. Indeed, all through Chapter 2, as I presented tables and graphs, I made a point of asking what you saw. And, in the exercises, I asked you what graph you thought most effective. Most effective at what? Most effective at displaying what you thought you saw in the data.
