Statdisk is a full featured statistical analysis package. It includes over 70 functions and tests, dozens of built-in datasets, and graphing. Statdisk is free to users of any Triola Statistics Series textbook.

Statdisk Online

Statdisk Online is a web-based application that works on PCs, Macs, Chromebooks, and many tablets.


Statdisk 13

Statdisk 13 (released January 2017) is a desktop application for Windows and macOS computers. Download for Windows Windows version compatibility

Download for macOS



Integration with Triola Textbooks
Triola textbooks include Statdisk exercises and instructions. The Triola Statdisk Student Laboratory Manual and Workbook is available free online here.
Built-in Datasets
Datasets from all recent Triola Statistics textbooks are included. Over 80 in total!
Over 70 Functions and Tests
Full-featured statistical functions including hypothesis testing, regression, ANOVA, and much more.
Graphs and Plots
Histograms, box plots, scatter plots, pie charts, and more.
Data Generators
Statdisk can generate data using a variety of distributions such as normal, binomial, poisson, and dice rolls.
Sample Editor
Easily manage your data using the Statdisk sample editor, which supports rag and drop imports, sorting, data transformations, and copying/pasting.
Data files
Statdisk can open CSV and text files from Excel. Statdisk data files can also be exported directly to Excel.

Statdisk License

Statdisk is to be used only by users of Triola textbooks.

Educational institutions using any current Triola Statistics Textbook are free to install this software on lab, library, or other institutionally-administered computers.

The software is provided "as is" and "with all faults". Triola Stats (collectively the authors) make no representations or warranties of any kind concerning the quality, safety or suitability of the software, either express or implied. Further, the authors make no representations or warranties as to the truth, accuracy or completeness of any statements, information or materials concerning the software. In no event will the authors be liable for any indirect, punitive, special, incidental or consequential damages however they may arise even if the authors have been previously advised of the possibility of such damages.