Question: The upper and lower control limits (UCL and LCL) should be: calculated using statistical arguments based on the machine's designed operating characteristics set by the
The upper and lower control limits (UCL and LCL) should be: calculated using statistical arguments based on the machine's designed operating characteristics set by the product tolerances, based on the level of variability the customer will accept drawn closer together when customer expectations are very high. should be calculated from data collected from the machine
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