Determine the X bar and S control charts, also calculate o ? Nu. 1 2 3 4 5 6 7 8 9 74 74 74 74 74 74 74 74 74

74 72 74 71 73 75 74 72 74 Observation 75 76 76 74 74 75 76 74 74 74 77 74 76 77 74