Select Analyze > Fit Y by X. Enter the measurement in the Y role and the grouiping indicator in the X role. Click OK. Click the red triangle and select Equivalence Test. Enter the practical difference and click OK. This result appears:
![Capture.PNG Capture.PNG](https://community.jmp.com/t5/image/serverpage/image-id/15006iC31929292CAD5DD6/image-size/large?v=v2&px=999)
See Help > Books > Basic Analysis for more details and examples.