The overall average on a process you are attempting to monitor is 55.0 units. The process population standard deviation
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The overall average on a process you are attempting to monitor is 55.0 units. The process population standard deviation
The overall average on a process you are attempting to monitor is 55.0 units. The process population standard deviation is 1.72. Sample size is given to be 16. a) Determine the 3-sigma x-chart control limits. Upper Control Limit (UCL;) = 56.29 units (round your response to two decimal places). Lower Control Limit (LCL;) = units (round your response to two decimal places).