Determine the upper and lower control limits of the chart

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Reference no: EM13759666

Several samples of size 5 each were taken from a fertilizer-bag-filling machines. The results were: Overall mean lbs; Average range lbs.

(a) Determine the upper and lower control limits of the chart. Please give the formulas for calculating UCL and LCL and at least one step of calculation.

(b) Determine the upper and lower control limits of the R chart. Please give the formulas for calculating UCL and LCL and at least one step of calculation.

Reference no: EM13759666

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