Process capability within sigma estimation for different number of subgroup sizes
Dear JMP & Community, I'm trying to better understand how JMP estimates the within sigma for different subgroup sizes -- in particular a subgroup of size 1. The online help is somewhat helpful, but I'm hoping to see the equations or have a more clear explanation, as I don't quite see how JMP does it from the description in the online help. In the Distribution platform, one has the option of do...