是一个易于使用的智能统计软件30天全功能演示版，尤其适合对统计知识了解不多的人使用，它具有一个“专家系统”，引导你对数据进行统计分析。需要先注册后下载。
Expert guidance in analyzing your research
SigmaStat ensures that you :
-Use the proper statistical method to analyze your data
-Avoid the risk of statistical error
-Interpret the results correctly
-Generate an appropriate display and a professional report
Be sure you’ve analyzed your data correctly. And save time, too!
SigmaStat features make analysis fast and easy
The Advisor Wizard guides you in correctly analyzing your research findings. It:
Asks a few basic questions about your research
Suggests the appropriate statistical test 
Then SigmaStat:
Checks your data against the test’s underlying assumptions
Suggests another test, if your data violates any of original test’s assumptions
Provides a report interpreting the results, in terms you can understand
SigmaStat Report Editor
You can navigate through this report, and then edit and print it just as you do any document created with word processing software.
SigmaStat Report Graphs
Instantly visualize the results of your analysis by clicking on one of the pre-selected graphs types suggested by SigmaStat.
SigmaStat Graph Wizard
Create graphs in a variety of formats, without reformatting your data. Then customize them, using SigmaPlot editing tools. Create :
Point plots
Box plots
Bar charts and histograms
Scatterplots
Step plots
Survival curves
...and more
Access to SigmaPlot®
Share files between SigmaStat and SigmaPlot, the leading software application for scientific graphing. (Requires SigmaPlot 8.0.2)
Change details of your graphs using SigmaPlot's editing tools, including the Graph Properties dialog, tool palettes and text toolbar
Avoid having multiple files with the same data
Designed by scientists, for scientists
SigmaStat is used by thousands of research scientists worldwide to:
Compare effects among groups, including before-and-after or repeated measures studies
Conduct survival and reliability analyses
Analyze rates and proportions
Perform regression and correlation analyses
Calculate power and sample size
