Question: The overall average on a process you are attempting to monitor is 60.0 units. The process population standard deviation is 1.72. Sample size is given

The overall average on a process you are attempting to monitor is

60.0

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- ) = _____ units (round your response to two decimal places).

Lower Control Limit (LCL- ) = _____ units (round your response to two decimal places).

B) Determine the 2-sigma x -chart control limits

Upper Control Limit (UCL- ) = _____ units (round your response to two decimal places).

Lower Control Limit (LCL- ) = _____ units (round your response to two decimal places).

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