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Below you will find descriptions and links to 4 free statistics calculators for computing miscellaneous statistics.

If you like, you may also use the search page to help you find what you need.

This calculator will compute an adjusted R^{2} value (i.e., the population squared multiple correlation), given an observed (sample) R^{2}, the number of predictors in the model, and the total sample size.

This calculator will compute the coefficient of variation for a set of data, given the standard deviation and the mean.

This calculator will compute the factorial for any nonnegative integer value between 0 and 2,000.

This calculator will compute a Z-score (i.e., a standard normal score), given an unstandardized raw value, the population mean, and the standard deviation of the population to which the unstandardized value belongs.