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Restriction of Range
This applet, by David M. Lane of Rice University, shows how the correlation between two variables is affected by the range of the variable plotted on the X-axis. Exercises and definitions to key terms are given for...
Normal Approximation to the Binomial Distribution
This demonstration, by David M. Lane of Rice University, 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...
Chi Square Test of Deviations from Expected Frequencies
The applet allows users to sample from a normal distribution or from a uniform distribution. It shows the expected values and the observed values and computes the deviation. Then, a chi-square test shows if the...
2 x 2 Contingency Tables
Created by David Lane of Rice University, this applet simulates experiments using 2 x 2 contingency tables. You specify the population proportions and the sample size and examine the effects on the probability of...
Resampling Methods: Concepts, Applications, and Justification
Created by Chong Hu Yu for Cisco Systems, this journal article is a summary of resampling methods such as the jackknife, bootstrap, and permutation tests. It summarizes the tests, describes various software to perform...
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