Determine the ?3-sigma x?-chart control limits

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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 ?(UCLx?)= 56.29 units ?(round your response to two decimal? places).

Lower Control Limit ?(LCLx?)= 53.71 units ?(round your response to two decimal? places).

?b) Now determine the ?2-sigma x?-chart control limits.

Upper Control Limit ?(UCLx?)=_____ units ?(round your response to two decimal? places)

Reference no: EM132783934

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