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Stanley Smith Stevens introduced four scales of measurement: nominal, ordinal, interval, and ratio. These are still widely used today as a way to describe the ...

GraphPad FAQs

This calculator compares observed and expected frequencies within (up to 20) categories using the chi-square test.

https://www.graphpad.com/quickcalcs/chisquared1/

You can use almost any symbol or character on your graph. There are different ways to do it, however, for actual data point symbols or in graph titles or text ...

GraphPad FAQs

Our Mac files are encoded as MacBinary (.bin) or BinHex (.hqx). Usually your browser will decode these files automatically, but you must have StuffIt ...

GraphPad FAQs

Prism 5 and later can export EPS files from the export dialog. These EPS files encode vectors and fonts, not just a bitmap.

GraphPad FAQs