The Statistics Homepage
This Electronic Statistical Textbook offers training in the understanding and application of statistics.

Sequential Simplex Optimization
Electronic reprint of the classical textbook on improving quality and productivity in research, development, and manufacturing.

SticiGui
Statistics Tools for Internet and Classroom Instruction with a Graphical User Interface, by Philip B. Stark, University of California, Berkeley. An interactive introductory statistics text with dynamic examples and exercises, applets and glossary.

Reversibility and Stochastic Networks
By Frank Kelly, University of Cambridge. Full text of this book now available for download in PDF and DjVu formats.

Current Index to Statistics
Requires subscription. Free access to records of 'The American Statistician', and records up to 1994.

HyperStat
An introductory-level hypertext statistics book.

HyperStat Online
Introductory hypertext statistics book. Each chapter contains links to related materials including educational demos and web-based statistical analysis programs.