Question: 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

Refer to Table 56.1 - Factors for Computing

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 R Hour R Hour R Hour R 7 13 14 8 9 1 2 3 4 5 6 19 20 21 3.15" 3.00 3.32 3.49 3.17 2.76 0.76" 1.18 1.43 1.21 1.22 0.37 2.95" 2.55 3.12 2.95 2.83 2.97 0.53" 1.13 0.76 1.28 1.17 0.35 3.11" 2.93 3.02 2.74 2.96 2.84 0.85" 1.31 1.11 0.50 1.38 1.34 15 16 17 18 3.31" 2.79 2.55 3.18 3.04 2.74 1.61" 1.14 1.03 0.41 1.53 1.02 22 10 11 23 24 12 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;) = 3.726 inches (round your response to three decimal places). Lower Control Limit (LCL2) = inches (round your response to three decimal places)

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