CHAPTER6Graphical Display of Data
What is a good chart? The simplest answer is: one that tells a story. You should have a point to make through the data, and you should make that point efficiently. If you have structured your measurement effort properly, you shouldn’t have any trouble determining what your point is; the derived measures and the indicators should say it all for you. As for getting that point across efficiently, that often calls for some experimentation. Some chart formats work better than others for different types of stories.
GUIDELINES FOR COMMON GRAPH TYPES
There are no universal rules for graphics, but management consultants, ...