Question: A process, when in control, produces a normally distributed output with a mean X-bar of 200 and a mean range of R-bar of 20. When

A process, when in control, produces a normally
A process, when in control, produces a normally distributed output with a mean X-bar of 200 and a mean range of R-bar of 20. When using samples of size 20 and 3 Standard Deviation control limits, then which of the following is the lower controllimit of the R chart? 8.28 O 10.42 20.00 4.84 9.68

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