Quantitative Psychology: Calculators

Categories include categorical data, continuous data, statistical distributions and interpreting p data, random numbers, and chemical and radiochemical data.

"SISA allows you to do statistical analysis directly on the Internet. Click on one of the procedure names below, fill in the form, click the button, and the analysis will take place on the spot. Study the user friendly guides to statistical procedures to see what procedure is appropriate for your problem."

"Each of the links in white text in the panel on the left will show an annotated list of the statistical procedures available under that rubric."
Click the "i" button for list of procedures listed.

The web pages listed here comprise a powerful, conveniently-accessible, multi-platform statistical software package. There are also links to online statistics books, tutorials, downloadable software, and related resources."