Finding the r bar and x bar bar, Operation Management

The Canine Gourmet Company produces deliciious dog treats for canines with discriminating tastes. management wants box-filling line to be so that the process averagee weight per packet is 48 grams. To make sure that the process is in control, an inspector at the end of the filling line periodically selects a random box of 8 packets and weighs each packet. When the process is in control, the range in the weight of each sample hyas averaged 5 grams. I need help finding the sample size , r bar and x bar bar.
Posted Date: 2/17/2013 3:09:49 PM | Location : United States







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