Critique one of the "Example" graphs on the National Center for Education Statistics (NCES) "make a Graph" tool website. Examples include:

• U.S. Public School Student Membership
• International Per Capita Consumption of Turkey
• U.S. Average Price of Gasoline
• Percentage of Students Who Report Being Bullied at School
• Airline On-Time Statistics and Delay Causes
• Air Passenger Travel Arrivals in the United States

http://nces.ed.gov/nceskids/createagraph/default.aspx If you don't like these examples, supply a graph of your own you have recently seen in the press or through work and critique it.