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Mathematics, 12.06.2021 03:30 blessingjessica

The UCL and LCL for an x-bar chart are 25 and 15 respectively and the centerline is 20. The process range is considered to be in statistical control. The results of the next seven sample means are 21, 23, 22, 21, 24, 23, and 16. What should you do

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The UCL and LCL for an x-bar chart are 25 and 15 respectively and the centerline is 20. The process...
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