Learn how to form rational subgroups so you have the minimum chance for variation to occur within a subgroup and the maximum chance for variation to occur between subgroups. Three different subgrouping examples are used in this animated video to illustrate how to best form and use rational subgroups and how this impacts your Control Charts.

Quickly make your own subgroups, chart and analysis by downloading the free demo: https://www.spcforexcel.com/spcsoftw...

Keep learning about SPC from our 200+ acclaimed Knowledge Base articles: https://www.spcforexcel.com/spcknowl...

Support our Channel – Subscribe and Comment