Question: A test engineer samples 8 diapers from a certain manufacturing process and respectively records 12, 14, 13, 10, 7, 4, 8, and 10 defects. What
A test engineer samples 8 diapers from a certain manufacturing process and respectively records 12, 14, 13, 10, 7, 4, 8, and 10 defects. What are the c-Chart control limits for a 1-sigma level? Is the process in control? (a) UCLc = 12.87, LCLc = 6.63; process is out of control (b) UCLc = 12.87, LCLc = 6.63; process is in control (c) UCLc = 19.12, LCLc = 0.38; process is out of control (d) UCLc = 19.12, LCLc = 0.38; process is in control
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