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  Free Statistics Calculators

These statistics calculators are free to be used by anyone in the research community at large. They are offered humbly in the hope that they will contribute in some small way to the advancement of science. I hope you find them to be useful!

The statistics calculators are organized into the following 18 categories:


Please select a category from the options above, or scroll down for a complete list of available statistics calculators.

ANALYSIS OF VARIANCE (ANOVA)

BETA FUNCTION

CHI SQUARE DISTRIBUTION

CONFIDENCE INTERVALS

CUMULATIVE DENSITY FUNCTION (CDF)

EFFECT SIZE

FISHER F-DISTRIBUTION

GAMMA FUNCTION

GAUSSIAN (NORMAL) DISTRIBUTION

HIERARCHICAL MULTIPLE REGRESSION

MEDIATION MODELS

MISCELLANEOUS

MULTIPLE REGRESSION

PROBABILITY

PROBABILITY DENSITY FUNCTION (PDF)

SAMPLE SIZE

STATISTICAL POWER

STUDENT'S T-DISTRIBUTION

  
 
 
  The Statistics Calculators index now contains 43 free statistics calculators.

You may also be interested in:
  • Interaction - a software program by Daniel Soper for drawing and analyzing statistical interactions.
  • N2Mplus - a free software program by Daniel Soper for converting Excel and SPSS files into Mplus-compatible data files and syntax.
 		 
The statistics calculators have been used 730,403 times. Citing these calculators. Feedback. Copyright © 2004-2008 by Daniel S. Soper. All rights reserved.