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Key Concept is
Mathematics -- Statistics
586 - 590
Sampling Distribution Simulation
This applet, created by Ivo Dinov of the University of California, Berkeley, demonstrates the Central Limit Theorem. First, select a distribution (normal, uniform, skewed, custom) and add or delete data points by...
Ptplot 5.5-beta - Java Plotter
Ptplot is a set of two dimensional signal plotters components written in Java with the following properties: embeddable in applets or applications, auto-ranging, automatic or manual labeling of axes, automatic or manual...
Construct Validity in Psychological Tests
Validation of psychological tests has not yet been adequately conceptualized, as the APA Committee on Psychological Tests learned when it undertook (1950-54) to specify what qualities should be investigated before a...
Controlling for Variables
This applet lets you take "slices" through a multivariate data set to compare the distribution of a variable without regard for the values of the other variables with the distribution of that variable when the value of...
This Binomial applet allows the user to adjust the n and the p and see the resulting histogram. There is also an option to overlay the normal distribution over the histogram. The "area from" and "to" scrollbars and...
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