1. Find an example of a poor graphic. One possible source is the CHANCE Web site at Dartmouth College. In particular, the Chance News section, www.dartmouth.edu/~chance/chance news/ news.html, offers a monthly newsletter that includes graphics.
2. Find an example of a variable, such as the price of a commodity, that is changing over time. One possible source is the Bureau of Labor Statistics Web site. Go to www.bls.gov/cpi/home.htm and click on the Average Price Data link.