Palomar Community College District
Palomar College: Behavioral Science Statistics: Variance and Standard Deviation
A series of step-by-step worked problems demonstrating how to take a set of data and produce the variance and standard. Hints are provided along the way and the final measures are shown for the user to check.
University of Illinois
University of Illinois: Introduction to Descriptive Statistics
A series of explanations of statistics terms based on the statistics from a dice game.