Section E - LSL lines, plus the sample data from the last...

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Section E: The CEO also asked you to include in your report a "how to" set of instructions on using statistical process control in a manufacturing process, so you have to add the following to the final section of the report: In layman’s terms, what is statistical process control (SPC)? What information is needed to create an SPC chart? Use the following information to create an actual SPC chart, and then plot the actual sample data points taken during the last 24 hours: Part dimension and tolerance should be 1.0 +/- 0.025. The SPC chart should show UCL, LCL, USL, and
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Unformatted text preview: LSL lines, plus the sample data from the last 24 hours When the process capability study was done a week ago, and the process was deemed to be capable of producing parts to specification, the results of consecutive samples showed 4 parts at 1.0, 4 parts at 1.01, 2 parts at 0.99, 5 parts at 0.98, and 5 parts at 0.985. Todays sample of 5 consecutive parts measured out at 1.032, 1.034, 1.0346, and 1.0345. Based on what the chart now looks like, what observation can be made about the process from which the data was collected?...
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This note was uploaded on 06/04/2011 for the course ECONOMIC 250 taught by Professor Quiles during the Spring '10 term at University of Phoenix.

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Section E - LSL lines, plus the sample data from the last...

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