Assignment:
A metal fabricator produces connecting rods with an outer diameter that has a 1 ± 0.02 inch specification. A machine operator takes several sample measurements over time and determines the sample mean outer diameter to be 1.002 inches with a standard deviation of 0.008 inch.
Calculate the process capability index for this example. (Round your answer to 3 decimal places.
A. Process capability index
B. Is the process capable of producing the desired quality?