To generate your own data sets, the following resources are useful:
Red Square http://members.iinet.net.au/~pontipak/redsquare.html (used by fighter pilots, supposedly to fine tune their reaction times.

Circle Zap (will upload free software)

General questions:
What mathematical questions might we investigate?

Real estate trends
• Can you enter a formula that:
- Calculates the % increase since 2002?
- Calculates the % increase since the previous year?
• Why might real estate agents publish figures for % increase since 2002, rather than % increase since the previous year?