Question: Small boxes of NutraFlakes cereal are labeled net weight 10 ounces. Each hour, random samples of size boxes are weighed to check process control. Five

Small boxes of NutraFlakes cereal are labeled "net weight 10 ounces." Each hour, random samples of size boxes are weighed to check process control.

Five hours of observations yielded the following:


Small boxes of NutraFlakes cereal are labeled


Using these data, construct limits for - and R-Charts. Is the process in control? What other steps should the QC department follow at thispoint?

WEIGHT TIME BOX1 BOX 2 BOX 3 BOX 4 9.8 10.1 9.9 9.7 9.7 10.4 10.2 10.5 9.8 10.1 10.3 9.8 10.1 10.2 9.9 9 A.M. 9.9 9.9 10.3 10.3 9.9 10 A.M Noon P.M.

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