Problem 3: Given the data (in kg) related to the first 25 samples, use Excel to: 1. Determine the X and R charts central line and control limits. 2. The process capability 3. Determine the Cp and Cpk (USL = 130 kg and LSL = 75 kg). Sample No. X1 X2 3 X4 X1 X2 ; X4 1 95 76 107 83 105 Sample No. 14 15 16 17 18 19 88 2 3 4 5 6 7 8 9 10 11 12 13 90 81 80 77 93 76 87 91 91 79 97 91 83 93 81 87 87 95 95 100 92 95 91 100 80 95 120 83 95 90 103 97 103 94 101 94 90 82 75 87 97 82 100 81 98 78 91 76 95 92 92 90 95 106 95 94 101 96 91 91 97 99 85 100 95 99 95 97 87 100 87 106 100 97 90 100 97 90 93 106 89 92 98 90 101 90 90 89 72 89 80 93 94 90 20 21 22 23 24 25