a) Determine the process capability based on the Range Values of cypress bark bags in kilograms for the data below. Also determine the Cpfor a USL of 130 kg and an LSL of 75 kg.

b) TEXSPIN ltd. Manufactures clutch bearings with the diameter of 12 0.001 mm with a standard deviation of 0.0005mm. Assume you are the quality manager there and a decision for new machine installation is to be taken by you by knowing the following data: CpK of old machine = 1.33. The company follows 3.4 defects per million. Comment weather to install the new machine or not.

a) Determine the process capability based on the Range Values of cypress bark bags in kilograms for the data below. Also determine the Cpfor a USL of 130 kg and an LSL of 75 kg. X1 X2 X4 120 95 90 SUBGROUP 1 2 3 76 107 81 80 77 83 95 90 4 93 5 6 103 X3 93 91 87 87 95 95 100 92 95 91 83 105 88 100 97 90 93 7 8 76 87 91 91 79 97 103 94 101 94 9 10 b) TEXSPIN ltd. Manufactures clutch bearings with the diameter of 12 +0.001 mm with a standard deviation of 0.0005mm. Assume you are the quality manager there and a decision for new machine installation is to be taken by you by knowing the following data: Cpk of old machine = 1.33. The company follows 3.4 defects per million. Comment weather to install the new machine or not