Find out upper-lower control limits for self-serve process

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Reference no: EM131031630

HVN Nursery sells “U-Fill” topsoil where patrons fill their own bags of soil and pay by the bag. The nursery wishes to find out the upper and lower control limits for the averages of this self-serve process. The nursery had their summer college students take numerous samples, with each sample containing 9 bags, and weigh them. The average weight was 22 kg. The average range was .37kg. What are the upper and lower control limits for the x bar chart and R chart?

Reference no: EM131031630

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