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 X-bar chart for this process? O a. 3.82 b. -4.92 O c. 4.12 O d. 0 O e. 3.32

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