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Mathematics -- Variation
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Kruskal-Wallis Test: For K = 4
This Java program, created by Richard Lowry of Vassar College, performs the Kruska-Wallis test on a raw set of data. As the page opens, you will be prompted to enter the sizes of your several samples. If you are...
Kappa as a Measure of Concordance in Categorical Sorting
This applet, created by professor Richard Lowry of Vassar College, calculates unweighted kappa and kappa with linear and quadratic weightings, along with some other measures of concordance. Lowry has provided the option...
Mean and Variance of Random Variables
This site, created by the Department of Statistics at Yale University, gives an explanation, a definition and an example of mean and variance of random variables. Definitions and properties are also included. Overall,...
This online, interactive lesson on expected value provides examples, exercises, and applets in which students will explore relationships between the expected value of real-valued random variables and the center of the...
A New View of Statistics
This online resource is intended to help students understand concepts from probability and statistics and covers many topics from introductory to advanced. You can follow the progression of the text, or you can click...
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