Question: 1 i Definition Lower Range, Sample Size, n D3 2 3 4 5 6 7 8 9 10 12 Mean Factor, A 1.880 1.023 0.729

1 i Definition Lower Range, Sample Size, n D3 2 3

1 i Definition Lower Range, Sample Size, n D3 2 3

1 i Definition Lower Range, Sample Size, n D3 2 3 4 5 6 7 8 9 10 12 Mean Factor, A 1.880 1.023 0.729 0.577 0.483 0.419 0.373 0.337 0.308 0.266 Upper Range, D4 3.268 2.574 2.282 2.115 2.004 1.924 1.864 1.816 1.777 1.716 0 0 0 0 0 0.076 0.136 0.184 0.223 0.284 Refer to Table 56.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Sampling 4 pieces of precision-cut wire (to be used in computer assembly) every hour for the past 24 hours has produced the following results Hour X R Hour Hour R Hour X 7 8 9 13 14 1 2 3 4 5 6 3.25" 3.20 3.12 3.49 3.07 2.96 0.71" 1.13 1.48 1.21 1.17 0.42 3.05" 2.65 3.12 2.95 2.83 3.07 R 0.48" 1.13 0.76 1.33 1.12 0.35 3.01" 2.83 3.12 2.94 2.86 2.74 0.80" 1.36 1.01 0.55 1.38 1.34 19 20 21 22 23 24 4.51" 2.79 2.65 3.38 15 16 17 18 R 1.61" 1.09 1.08 0.51 10 11 12 2.94 1.58 2.64 1.02 Based on the sampling done, the control limits for 3-sigma x chart are (round all intermediate calculations to three decimal places before proceeding with further calculations): Upper Control Limit (UCL;) = 3.797 inches (round your response to three decimal places). Lower Control Limit (LCL;) = inches (round your response to three decimal places)

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