Question: Use the data from the machining process in Excel problem 40 to calculate C p , C pl , C pu , and C pk

Use the data from the machining process in Excel problem 40 to calculate C_p , C_pl , C_pu, and C_pk , assuming that the specifications are 3.75 ± 1.25. Interpret the results for the manager of this process.

Data from in problem 40

Thirty samples of size 3, available in the worksheet C17 Excel P40 Data in MindTap were taken from a machining process over a 15-hour period. Construct control charts using the Excel template x & R-Chart. Verify the Excel calculations of the control limits by hand using the formulas in the chapter. Does the process appear to be in statistical control? Why or why not?

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