Annenberg Foundation
Annenberg Learner: Against All Odds: Random Variables
Video presentation on the probability of independent events, covering related topics: multiplication rule, random variable, and mean and standard deviation. [28:41]
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.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Histogram and Probability Distribution Generator
The learning tool displays data in the form of a histogram. The tool also shows descriptive statistics and probability distributions. Examples of data are included.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Binomial Distribution Utility
The learning tool calculates the probability of a binomial distribution.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Normal Distribution Utility
The learning tool calculates the probability of a normal distribution.
BBC
Bbc: Standard Deviation
A demonstration of how to find the standard deviation of a set of data. Several examples and a practice test are offered.