I greatly appreciate the response; a new way to enhance my knowledge.
I would like to point out that the method that I did suggest uses 5-10 replicates not 2 or 3. Agreed this is more cumbersome. I will share my thoughts when I have had a chance to look at the referenced material.
Again many thanks for the reply.
I’m surprised to see such a strong reaction about using DOE to develop a prediction equation for variances.
As a matter of fact this should come as no surprise since a LeanSigma project addresses both mean and standard deviation. It is therefore not a stretch to use DOE to find settings that exhibit low or minimum variation.
So the approach is a…[Read more]