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Refer to Table S 6 . 1 - Factors for Computing Control Chart Limits ( 3 sigma ) for this problem. Thirty - five samples

Refer to Table S6.1- 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 =60.75lb.; Average range ?bar(R)=1.64lb.
a) For the given sample size, the control limits for 3-sigma x chart are:
Upper Control Limit (UCLx-)=
lb.(round your response to three decimal places).
Lower Control Limit (LCLx)=
Ib.(round your response to three decimal places).
b) The control limits for the 3-sigma R-chart are:
Upper Control Limit (UCLR)=
lb.(round your response to three decimal places).
Lower Control Limit (LCLR)=
Ib.(round your response to three decimal places).
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