There is a large body of statistical software and sample datasets available on the Internet. Here is a (nonrandom) sampling.
- Journal of Statistical Education Archives
- Mathematical Education Archives
- StatLib WWW Server
- Top Hosting Sites
- Statistics on the Web
- UCLA Statistical Archive
- Chance Course Database
- The Probability Web
- Statistical Software Providers
- TeX and LaTeX Archives
Epi-Info is a wonderful public domain database and statistical package written by the CDC and available for download.