Question: I also need to find upper and lower for the R-chart, as well Refer to Table 56.1 - Factors for Computing Control Chart Limits (3

I also need to find upper and lower for theI also need to find upper and lower for the R-chart, as well

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 1 R 0.65" Hour 7 1.13 3.25" 3.00 3.32 3.49 3.17 2.96 8 Hour 13 14 15 2.95" 2.55 2.92 2.95 2.93 2.97 1.389 1.21 1.17 0.32 R 0.58" 1.18 0.71 1.33 1.22 0.45 3.01" 2.83 3.22 2.74 2.86 2.74 R 0.80" 1.36 1.06 0.55 1.48 1.24 Hour 19 3.31" 20 2.99 212.75 22 3.18 23 2.94 24. 2.74 R 1.56" 1.04 1.13 0.51 1.58 0.97 17 18 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;-) = 3.737 inches (round your response to three decimal places). Lower Control Limit (LCL;) = inches (round your response to three decimal places)

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