A very interresting site with several statistical tools and you can do it online
(Clinical, Research, Calculators, Probabilities, Distributions, Frequency Data, Proportions, Ordinal Data, Correlation & Regression, t-Tests & Procedures, ANOVA, ANCOVA, Miscellanea)
http://faculty.vassa...assarStats.html
Edited by Felipillo, 08 January 2012 - 04:02 AM.














