Briefs

CHICAGO, March 20, 2003 - SPSS Inc., a global provider of predictive analytics technology and services, today announced the general availability of SigmaStat 3.0, a statistical software package that enables users to perform effective and accurate statistical analysis and interpretation without being a statistics expert.

Scientific researchers are continually asked to publish their results as research papers or reports. For the thousands of researchers using SPSS Inc.'s SigmaPlot graphing software in industries such as life sciences, medical research, pharmacology, chemistry and environmental sciences, SigmaStat offers users access to the most common statistics required in research without requiring advanced statistical knowledge.

SigmaStat is unique in the marketplace because of its ability to guide users step-by-step through analysis, from picking the appropriate technique, to checking assumptions in the data, to reporting the results in plain-English. Used together, SigmaStat and SigmaPlot offer a comprehensive and easy to use toolkit for statistics, curve-fitting and regression and publication-quality graphics and reports.

For more information, please visit www.sigmastat.com.