This tutorial, created by Thomas W. MacFarland of Nova Southeastern University, explains the theory and use of the Mann-Whitney test and demonstrates it with an example on traditional lecture versus computer-based...
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...
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...
The online Engineering Statistics Handbook provides a section (4.6 Case Studies in Process Modeling) using detailed realistic examples from physical science and engineering applications. Examples in load cell...
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