The Data and Story Library (DASL) is an online library of data files and stories that illustrate the use of basic statistical methods. Go to lib.stat.emu.edu/index.php, click DASL, and explore some of the various graphical displays.

a. Select a graphical display that you think does a good job revealing what the data convey. Discuss why you think it is a good graphical display.
b. Select a graphical display that you think needs a lot of improvement. Discuss why you think that it is a poorly constructed graphical display.