DMAIC phase C; once solutions have been implemented, ongoing measures track and verify the stability of the improvement and the predictability of the process. Often includes process management techniques and systems including process ownership, cockpit charts and/or process management charts, etc. See also Cockpit Charts; Process Management A statistical concept indicating that a process operating within an expected range of variation is being influenced mainly by “common cause” factors; processes operating in this state are referred to as “in control.” See also Control Charts; Process Capability; Variation.
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