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This page will perform the procedure for up to k=12 sample values of r, with a minimum of k=2. It will also perform a chisquare test for the homogeneity of the k values of r, with df=k1. The several values of r can be...
This page will calculate the 0.95 and 0.99 confidence intervals for rho, based on the Fisher rtoz transformation. To perform the calculations, enter the values of r and n in the designated places, then click the...
This page will calculate the lower and upper limits of the 95% confidence interval for the difference between two independent proportions, according to two methods described by Robert Newcombe, both derived from a...
In this applet, A and B are subsets of a universal set S. The list is given of the 16 different subsets of S that can be constructed from A and B using the basic set operations of union, intersection, and complement....
Calculates the zratio and associated onetail and twotail probabilities for the difference between two correlated proportions, such as might be found in the case where the proportions are based on the same sample of...

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