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Control Chart Limits
Posted by: Vikas Joshi Posted on: Thursday, 5th November 2009, 1:05 AM.
Dear All,
myself along some of my co-GBs have has this discussion for a while with no conclusion.Hence I seek your valuable inputs.When would you suggest we freeze the limits of control charts (using minitab), in a normal scenario as we feed in live data, Minitab automatically recalculates the limits & means.
As a result we may have a situation where signal are not identified quickly & process always seems stable.What do your think...?
Should the limits be frozen in Minitab or should they be dynamic.
What are the pros & Cons?Best Regards Message Thread:  Return To Discussion ForumPost A New MessageRead the Forum Guide to Good Etiquette
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