Question: I need the upper and lower control limits for part B Refer to Table 56.1 - Factors for Computing Control Chart Limits (3 sigma) for

I need the upper and lower control limits for part B

Refer to Table 56.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Thirty-five samples of size 7 each were taken from a fertilizer-bag-filling machine at Panos Kouvelis Lifelong Lawn Ltd. The results were: Overall mean = 54.75 lb.; Average range R = 1.78 lb. a) For the given sample size, the control limits for 3-sigma x chart are: Upper Control Limit (UCL3) = 55.496 lb. (round your response to three decimal places). Lower Control Limit (LCLx) = 54.004 lb. (round your response to three decimal places). b) The control limits for the 3-sigma R-chart are: Upper Control Limit (UCLR) = Ib. (round your response to three decimal places)

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