Question: Please do not copy from chegg amswers Thirty five samples of size 7 each were taken from a fertilizer-bag-filling machine. The results were: Overall me

Please do not copy from chegg amswers

Thirty five samples of size 7 each were taken from a fertilizer-bag-filling machine. The results were: Overall mean = 57.75 kg, average range = 1.78 kg.

a. Determine the upper and lower limits of the xbar- chart, where = 3.
b. Determine the upper and lower control limits of the R-chart, where = 3.

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