Course Solutions Uncategorized Operations Manager Abc Ltd Concerned Machine 3 Assembly Line Factory Make Sure Machine Op Q34219758

Operations Manager Abc Ltd Concerned Machine 3 Assembly Line Factory Make Sure Machine Op Q34219758

The operations manager of ABC Ltd has been concerned about machine No. 3 in the assembly line in the factory. To make sure that the machine is operating correctly, samples are taken, and the average and range for each sample is computed. Each sample consists of 10 items produced from that machine Recently, 12 samples were taken and the sample range and average computed for each are as follows: 1. Sample NumberSample RangeSample Mean 1.00 1.21 0.81 1.00 1.11 0.72 0.76 1.01 1.02 0.89 0.76 1.10 45 45 46 47 46 49 48 50 51 49 51 3 4 7 10 12 a) Develop a X-bar of three-sigma control limit. Comment on the process. (6 marks) b) Develop a range chart of three-sigma control limit. Comment on the process. (6 marks)-Theoperations

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