Browsing All posts tagged under »formulas«

Paired Tests in Fathom

June 8, 2012

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This is one of those, “oh, yeah” and slap your forehead things. Suppose you have data on which you want to do a paired test. The prototypical paired test is a pre-post test of some kind. Let’s call these scores pre and post. The basic idea is this: compute the pre-post change and test whether […]