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View Resource **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 statistical studies, these applets cover confidence intervals for means or proportions, one and two sample hypothesis tests for means or proportions, linear regression, balanced ANOVA designs, and tests of...

http://www.stat.uiowa.edu/~rlenth/Power/
View Resource **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), Hypergeometric Distribution, Poisson Distribution, Normal Distribution, Hypothesis Testing for Proportions, Confidence Intervals for Means, The Central Limit Theorem, Bivariate Normal Distribution,...

http://www.math.csusb.edu/faculty/stanton/m262/
View Resource **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 related to least squares regression. These include residuals, sum of squares, the mean line, how the line of best fit is determined, and how the line of least squares solution minimizes the sum of the...

http://sambaker.com/courses/J716/demos/LeastSquares/LeastSqu...
View Resource **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
View Resource **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 online instructors who want students to talk about problems and share their work with others within the online environment.

http://karlscalculus.org/email.html
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