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 1.4, what is the upper control limit for the R-chart for this process? O a 2.92 O b. 2.95 Oc. 3.12 O d. 0 O e. 2.44

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