Question

Based on Initial Observation values, calculate the mean and standard deviation of the data. (You need to show your calculation for standard deviation calculation). Then calculate the Cp and Cpk of the process based on provided USL and LSL in the article. USL=105 mm LSL=75 mm 89 93.1 88.9 91.1 91.5 93.6 89.6 87.9 91.2 89.1 93.8 91.1 91.1 89.1 93 91.1 93 94 94.3 94 91.4 89.1 93.1 90.4 92.8 91.3 89.2 91.4 94.1 92.9 90.1 89.2 92.9 91.4 91.9 90.1 91.2 91.1 91.5 93.1 92.6 91.7 92.8 90 90.1

Answer 1