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 **Java Applets for Power and Sample Size This collection of free, interactive Java applets provides a graphical interface for studying the power of the most commonly encountered experimental designs. Intended to be useful in planning... http://www.stat.uiowa.edu/~rlenth/Power/
 **Java Demos for Probability and Statistics The applet demonstrates, in a visual manner, the following probability and statistical concepts (and there is also a random number generator): Introduction to Probability Models (Using dice rolls),... http://www.math.csusb.edu/faculty/stanton/m262/
 **Least Squares Demo This simulation illustrates least squares regression and how the least squares solution minimizes the sum of the squared residuals. The applet demonstrates, in a visual manner, various concepts... http://sambaker.com/courses/J716/demos/LeastSquares/LeastSqu...
 **Levels of Measurement Game This tool provides individuals with opportunities to quiz themselves on levels of measurement in a game-like environment much like "Who Wants to be a Millionaire." http://www.edugamer.net/app/playGame.aspx?userGameId=4213
 **Math Notation via email This site contains lots of helpful hints about how to easily type different mathematical expressions in e-mail messages (or in online discussion forums). This might be particularly helpful for... http://karlscalculus.org/email.html
 **Monty Hall Paradox This java applet provides students with opportunities to visualize the Monty Hall paradox (i.e., the famous ?three-door? problem often discussed in introductory statistics courses). By going through... http://math.ucsd.edu/~crypto/Monty/monty.html
 **National Library of Virtual Manipulatives: Scatterplot This Java Applet of a scatterplot allows you to enter data, move data points, define the range of values, and view graph value information. http://nlvm.usu.edu/en/nav/frames_asid_144_g_4_t_5.html?open...
 **Normal Approximation to the Binomial Distribution This demonstration allows you to view the binomial distribution and the normal approximation to it as a function of the probability of a success on a given trial and the number of trials. It can be... http://www.ruf.rice.edu/~lane/stat_sim/normal_approx/index.h...
 **Power Tutorial This tutorial is intended to teach students how power in a one-sample Z-test is influenced by effect size, variability (population standard deviation), sample size, and significance level. WISE Power... http://wise.cgu.edu/powermod/index.asp
 **Practice Classifying Statistical Problems On this site, students can practice classifying statistics problems. They first click to check the statistical methods that they want to practice classifying. Then they click the "Submit" button to... http://ltcconline.net/greenl/java/Statistics/catStatProb/cat...