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Some parts manufactured in an injection molding process are subjected to a certain compressive strength test. 22 samples are taken as shown in the following

image text in transcribedimage text in transcribed Some parts manufactured in an injection molding process are subjected to a certain compressive strength test. 22 samples are taken as shown in the following table which shows the compressive strengths (in psi). Assume that you want to analyze using an xbar-s charts. q-) (4 points) If the quality characteristic is normally distributed and if the specifications are 36040, what is upper process capability (Cpu) be)? (use 2 decimals) r-) (6 points) If the quality characteristic is normally distributed and if the specifications are 36040, what is the actual process capability (Cpk) be)? (use 2 decimals) s-) (6 points) According to the calculated process capability ratio values above, what percentage of the specification band is used up by the process? (use 2 decimals) t) (4 points) If the 3 sigma control limits are replaced with 2 sigma limits, What is the LCL for the new X control chart (based on the original data)? (use 2 decimals)

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