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What are the UCLR and LCLR using 3-sigma? Upper Control Limit (UCLR) = 8.17 mm (round your response to two de Lower Control Limit (LCLR) = 1.03 mm (round your response to two de e) If the true diameter mean should be 155 mm and you want this as your ce Upper Control Limit (UCL3) = mm (round your response to two decin Enter your answer in the answer box and then click Check Answer Shanghai are produced in a forging process, and the diameter is a critical fac mean and the range of this diameter have been as follows: Day 1 2 3 4 5 Mean x (mm) 158.9 151.2 155.6 155.5 158.6 Range R (mm) 4.4 4.6 4.3 5.0 4.7