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This article may help the user understand the concept of statistical significance and the meaning of the numbers produced by The Survey System. This article is presented in two parts. The first part simplifies the...
Given three overlapping correlation coefficients: rXY, rXZ, and rYZ, this page will calculate the firstorder partial correlations: rXY.Z, rXZ.Y, and rYZ.X. If you enter the value of N (providing N>6), the program will...
This page calculates the Poisson distribution that most closely fits an observed frequency distribution, as determined by the method of least squares. Users enter observed frequencies, and the page returns the fitted...
This calculator performs the following for a contingency table up to 5x5: chisquare analysis; Cramer's V; two asymmetrical versions of lambda; the GoodmanKruskal index of predictive association; other measures...
This page will perform basic multiple regression analysis for the case where there are several independent predictor variables, X1, X2, etc., and one dependent or criterion variable, Y. Requires import of data from a...

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