Control chartsDoes anyone know how to create an X-bar/R control chart when only the subgroup mean and range is available, rather than the entire data set?
Steve Czupryna
Samson Rope
Re: Control chartsThanks for the (lightning fast) answer. I understand your method and it'll work great for my application.
Steve
Re: Control chartsYou can plot each of those columns on individuals charts and hard-code the limits as column properties. Here's an example using Control Chart Builder.