Other
Stat Soft: Getting Started With Statistics Concepts
Definitions of the basic concepts in statistics. Great for review and discussion or for introduction into topics.
Rice University
Hyper Stat Online Statistics Textbook: Logic of Hypothesis Testing
High level detailed steps including null hypothesis, alternative hypothesis, significance level, statistics, probability value and statistical significance.
Texas Instruments
Texas Instruments: Statistical Significance
These questions involve p-values and statistical significance. The student examines the definition of p-value, and why it is a natural and useful method of distinguishing the long-range truth about a population from a coincidence or fluke.
ibiblio
Ibiblio: How to Lie With Statistics
A real-world example of how statistics can be used to lie. In this case, it is the issue of speed limits and insurance premiums.