Question: A process is in statistical control with mean = 202 and estimated standard deviation = 4. The control chart uses a sample size of n=4.

A process is in statistical control with mean =

A process is in statistical control with mean = 202 and estimated standard deviation = 4. The control chart uses a sample size of n=4. Specifications are at USL = 220 and LSL = 190. The quality characteristic is normally distributed. (a) Calculate the capability indices - Cp, Cpl, Cpu, and Cpk for the process. (b) Interpret your result

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