Question: What are the upper control limits for the 3-sigma R-Chart and the lower control limits for the 3-sigma R-Chart? Is it in control, or out

What are the upper control limits for the 3-sigma R-Chart and the lower control limits for the 3-sigma R-Chart? Is it in control, or out of control?

Refer to Table $6.1 - 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: Based on the sampling done, the control limits for 3 -sigma x chart are (round all intermediate calculations to three decimal places before proceeding w Upper Control Limit (UCL)=3.728 inches (round your response to three decimal places). Lower Control Limit (LCLx)=2.236 inches (round your response to three decimal places). Based on the x-chart, the wire cutting process has been Definition The control limits for the 3-sigma R-chart are (round all intermediate calculations to three decimal places before procee Upper Control Limit (UCLR)= inches (round your response to three decimal places)

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