Downloading WinStats 1.1 from our website was free. The software is included in Education Tools. The program's installer is commonly called WinStats.exe. The following version: 1.1 was the most frequently downloaded one by the program users. The actual developer of the free program is Richard Parris.
From the developer:
Winstats provides access to scatter plots, curve fitting, histograms, statistical data, and standard theoretical probability distributions. It performs many statistical tests and calculates confidence intervals. It simulates dealing cards, rolling dice, sampling candy, taking random walks, and tossing darts, needles and coins.
You may want to check out more software, such as Maxima and Minima, DAC Express or IUCLID5, which might be related to WinStats.