Resources that cover a broad range of statistical methods

• Introductory Statistics: Concepts, Models, and Applications
• The Electronic Statistics Texbook
• Hyperstat Online Textbook
• NIST/Sematech Engineering Statistics Handbook
• Probability and Statistics – from Mathworld
• Statistical Thinking for Decision Making
• The Little Handbook of Statistical Practice
• Links from "Do It Yourself Statistics" (Psych 394U at UT Austin)

The Normal Distribution

• The normal curve
• The normal distribution
• The Normal Distribution - West Virginia University

Significant Figures and Rounding

• Significant figures and rounding

Statistics Software

• Dataplot
• Statistical calculations using MS Excel
• Various Calculators