Commercial Software

SigmaStat offers a full range of the statistical procedures used most often by scientists, including t-tests, analysis of variance, nonparametric statistics, correlation, linear and nonlinear regression, rates and proportions, normality and equalvariance testing.

Address: SPSS Inc, 233 S Wacker Dr, 11th Floor, Chicago, IL 60606
Phone: 1-800-543-2185
Fax: (312) 651-3668
URL: http://www.spss.com