Rule of seven also would seem applicable: https://www.brainbok.com/guide/pm-study-notes/rule-of-seven-control-charts/ https://www.brainbok.com/guide/pm-study-no

Rule of seven also would seem applicable: https://www.brainbok.com/guide/pm-study-notes/rule-of-seven-control-charts/ https://www.brainbok.com/guide/pm-study-notes/rule-of-seven-... Look at which way the numbers went under the previous regime.