‏An X control chart with three - sigma control limits has UCL = 47.75 and LCL = 42.71 . Suppose the process standard deviation is o = 2.25 . What subgroup size was used for the chart ? Q5. An X control chart with three-sigma control limits hasUCL =47.75 and LCL =42.71.Suppose the process standard deviation is o =2.25. What subgroup size was usedfor the chart?

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An X control chart with three - sigma control limits has UCL = 47.75 and LCL = 42.71 . Suppose the process standard deviation is o = 2.25 . What subgroup size was used for the chart ?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

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‏An X control chart with three - sigma control limits has UCL = 47.75 and LCL = 42.71 . Suppose the process standard deviation is o = 2.25 . What subgroup size was used for the chart ?

Q5. An X control chart with three-sigma control limits has
UCL =47.75 and LCL =42.71.
Suppose the process standard deviation is o =2.25. What subgroup size was used
for the chart?

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