Question: Q.2 (20 Points) Control charts are to be established on a certain part dimension. XB and S are given below for 30 samples with subgroup

Q.2 (20 Points) Control charts are to be established on a certain part dimension. XB and S are given below for 30 samples with subgroup size 5. No. XB s | No. XBs No. XBS 1 17.1340.286 | 11 16.874 0.13 21 16.952 0.299 2 17.0430.312 12 17.095 0.11722 17.03 0.26 3 16.614 0.11713 17.1080.234|23 17.394 0.26 4 17.238 0.10414 16.653 0.117 24 16.783 0.13 5 17.03 0.325 15 17.095 0.10425 17.7580.195 6 17.8490.286 16 16.5750.091|| 26 17.3290.806 7 17.1730.351 17 16.614 0.11727 16.640.299 8 17.1340.117| 18 17.2120.312 28 16.64 0.221 9 17.329 0.351 19 17.134 0.65 29 16.835 0.117 10 16.822 0.351 20 16.64 0.195|30 16.913 0.13 a. Determine the trial central line and control limits. b. Assume assignable causes are determined, determine the revised central line and control limits

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