Chaos Re-visited -- Dickeson

These moving ranges, with their process limits, enable us to know whether we're still just feeling the butterfly wings of print chaos or whether some attributable cause has intervened. XmR charts teach us to expect and accept variation within limits. Still want to markup costs for a price to quote? XmR will tell you the best, worst and most likely result to expect. Want to use a D-B-R (Drum-Buffer-Rope) scheduling system? Then set your buffers and feed rope based on "What your process is telling you," not your dreams. Want to have on "on-time" delivery monitoring?