Q1 - Process capability indices using subgroup averages and standard deviations A quality engineer collected process data for five subgroups with each subgroup consisting of four samples (n=4). The averages and standard deviations of samples in each subgroup are summarized in Table 1 below. The upper specification limit (USL) of the process is 13.05 and the lower specification limit (LSL) is 12.95. Table 1. Subgroup Data Subgroup Average X Standard deviations 1 2 3 4 13.01 12.97 13.00 12.99 0.04 0.02 0.03 0.04 5 12.98 0.02 (1-4) Calculate the process capability index Cy. Answer C (1-5) Answer questions in the below table on this process. Answer Is this process capable in terms of C,? Yes or No Briefly explain reason of your above Explain answer (1-6) Calculate the process capability index Cpk | Cpk Answer (1-7) Answer questions in the below table on this process. Answer Is this process capable in terms of Cyk? Yes or No Briefly explain reason of your above Explain