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View Resource Analysis Tool for Basic Linear Correlation and Regression: Data-Import Version.

The following pages calculate r, r-squared, regression constants, Y residuals, and standard error of estimate for a set of N bivariate values of X and Y, and perform a t-test for the significance of the obtained value of r. Allows for import of raw data from a spreadsheet; for samples of any size, large or small.

http://faculty.vassar.edu/lowry/corr_big.html
View Resource Analysis Tool for Bayes' Theorem: "Adjustment of Subjective Confidence"

An application of Bayes Theorem that performs the same calculations for the situation where the several probabilities are constructed as indices of subjective confidence.

http://faculty.vassar.edu/lowry/bayes_subjective.html
View Resource Analysis Tool for Bayes' Theorem: Conditional Probabilities

To perform calculations using Bayes' theorem, enter the probability for one or the other of the items in each of the following pairs (the remaining item in each pair will be calculated automatically). A probability value can be entered as either a decimal fraction such as .25 or a common fraction such as 1/4

http://faculty.vassar.edu/lowry/bayes.html
View Resource Analysis Tool for Buffon's Needle: An Analysis and Simulation

Gives some background on the Buffon needle problem. Has a link to an applet that allows one to simulate dropping a needle1, 10, 100, or 1000 times. One also has control over the length of the needle.

http://www.mste.uiuc.edu/users/reese/buffon/buffon.html
View Resource Analysis Tool For Four Intercorrelated Variables: First- and Second-Order Partial Correlations

This page will calculate the first- and second-order partial correlations for four intercorrelated variables, W, X, Y, and Z. If you enter a value of N (providing N>9), the program will also calculate the values of t along with the associated two-tailed probability values.

http://faculty.vassar.edu/lowry/par2.html
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