I totally got the question that was asked - to compare historical data with new data for equivalence test. I believe the recommended method through DOE route was somewhat not clear at least to my knowledge. I have asked the similar question also.... We have to use TOST for 2 populations and we would like to have a graphical presentation for regular audience. JMP may not have an easy way to do that?
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:
See Help > Books > Basic Analysis for more details and examples.