Useful Statistics Resources
Sadly, our visitors sometimes need more than we provide at Stat Trek.
To fill in the gaps, we are pleased to list some very good resources below.
Statistics Help

TalkStats.com.
Are you looking for help with probability or statistics? Or do you want to
help others with their statistics questions? Then, this helpful, friendly
forum is the place for you.

Math Help Forum.
Free online help community where you can post questions on any math
topic. Includes discussion threads on basic and advanced statistics
and probability.

StatHelp.com.
Free statistics help. Questions are usually answered within several days.
These volunteers only help folks with realworld data analysis; they
don't do homework problems.

Ask Dr. Math.
Do you have a math question? Search Dr. Math's archives first. The answer
may be there. If not, ask Dr. Math.

Stats Make Me Cry. This statistics blog is a place for sharing ideas,
finding resources, and when needed, finding help with statistical analyses
or problems.
Statistics Training

HyperStat Online Statistics Textbook. In addition to an introductory
statistics textbook, this site
includes analysis tools, instructional demos, and exercises with
answers to selected problems.

Statistics Internet Library.
This site features links to all things statistical  study aids,
tutorials, practice problems, online calculators, etc.

StatSoft Statistics Textbook.
Covering both elementary and advanced topics, this online textbook also
includes a glossary of statistical terms and a list of
references for further study.
Calculators

Online Calculators. Large collection of statistics calculators. Performs analytical tasks with mostly simple distributions.