Are nonrandom variations present Assume the center Iine is t

Are nonrandom variations present? Assume the center Iine is the long-term median UCL Are nonrandom variations present? Assume the center line is the long-term modian Uct

Solution

Answer-a No, there is no non random variation is visible in this control chart. The reason is that the points are well within the UCL and LCL.

Answer-b No, there is no non random variation is visible in this control chart. The reason is that the points are well within the UCL and LCL.