Question: 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 = 57.75

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

= 57.75 lb .; Average range R ? = 1.78 lb .

a) For the given sample size, the control limits for 3 -sigma

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 = 57.75 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 ( UCL ? ? ? ? ) = lb. (round your response to three decimal places). Lower Control Limit ( LCL x ? ? ) = Ib. (round your response to three decimal places). b) The control limits for the 3-sigma R-chart are: Upper Control Limit ( UCL R ? ) = lb. (round your response to three decimal places). Lower Control Limit ( LCL R ? ) = Ib. (round your response to three decimal places). Data Table

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