Question: The thickness specification for aluminum sheets is 0.246-0.254 mm. Data from an chart, based on samples of size 6, that shows that the process

The thickness specification for aluminum sheets is 0.246-0.254 mm. Data from an chart, based on samples of size 6, that shows that the process is in control, yield values of = 0.248 and = 0.002.
a. Compute the value of Cpk for this process.
b. Is the process capability acceptable? Explain.

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