Question: Every hour a quality control inspector measures the outside diameter of five parts. If the average of the means is 3 and the average range

Every hour a quality control inspector measures
Every hour a quality control inspector measures the outside diameter of five parts. If the average of the means is 3 and the average range is 3, what is the upper control limit for the R-chart for :this process? Select one O a. O O b. 9.12 O c. 6.33 O d. -5.92

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