Question: Question 5 (10 marks) (a) What type of control chart would you use to control the following process? Why? (2 mark) Lot number Number inspected

Question 5 (10 marks) (a) What type of control chart would you use to control the following process? Why? (2 mark) Lot number Number inspected Number of its outside specifications 1 1050 2 685 53 3 32 4 72 23 5 210 139 (b)What type of control chart would you use to control the following process? Why? (2 mark) of number Rolls of cloth produced Number of defects 1 28 29 inspected 40 40 40 40 40 # # (c) A production analyst takes 12 samples of jelly beans from production over a shift period. The number of minor defects in cach sample is shown below. Sample Number of defects 1 2 6 3 4 8 2 9 10 11 12 Develop the appropriate control chart for this process. Does the process appear to be in control? Why? (6 marks) The End APPENDIX Control Chart Factors Subgroup Size DD 4 d 2 1.800.00 3.261 D12 OKS 3 1.0250.000 2.574 1.693388 0.7290.000 2.282 2.059 88 5 0.5770.000 2.11423200864 2.483.000 2,000 2.5340 84 7 0.4190 076 1.9242704033

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