Hyperstat Online - "HyperStat Online is an introductory-level hypertext statistics book."

Electronic Textbook Statsoft - "This Electronic Statistics Textbook offers training in the understanding and application of statistics."

Online Statistics - "This Web site contains the contents of the notes that I (Richardson) use in Statistics."

Virtual Laboratories in Probability and Statistics - "The goal of this project is to provide interactive, web-based modules for students and teachers of probability and statistics."

Probability Central - Learn about Probability or play a game of Probability Poker.

WebStat - This is a great site to perform statistical analyses on data and to create graphics for the data.

VassarStats - Learn the basics of probability and statistics and perform statistical analyses. This site has good graphical examples of distributions.

Eric Weisstein's World of Mathematics: Probability and Statistics.

The Poisson Pit

Probability Tutorials - "These (Tutorials)are meant to be a complete online course on measure theory, lebesgue integration and probability."

Introduction to Data Collection and Analysis - This is another good site from HyperStat Online Courses. It provides a thorough treatment of working with and analyzing data. This link will most likely send you to the homepage. The link to the Data Analysis page can be found by scrolling the column on the right.

Statistical resources on the Web - "This page provides links to various sites which are pertinent to the fields of statistics, psychometrics, and test development."

Ask Dr. Math (Probability and Statistics) - Gives answers and explanations to probability and problems and questions submitted by visitors to the page.

Development of Probability Theory - An article from britannica.com.

Math Identities and Tables

Psychwatch Statistical Resources