A number of students also had difficulties organizing the information into an effective format. This is an excellent opportunity to team teach with the math department. The concepts of using statistics to explore cultural differences is often new to students even though they may have seen graphs before. Analyzing graphs is a difficult skill. The Math department will be an excellent resource for this activity.
Students are always weak in graphing skills.
They seemed to be able to accomplish this exercise very effectively, however. This activity is an excellent Math and Science activity, but it also has Social Studies components to it. A good interdisciplinary activity. If you have not chosen another activity to team-teach, this is a good one. Work with a peer to teach this one.