Factors for calculating three-sigma limits for the x-chart and R-chart The Canine Gourmet Company produces delicious dog treats for canines with discriminating tastes. Management wants the box-filing line to be set so that the process average weight per packet is 48 grams. To make sure that the process is in control, an inspector at the end of the filling line penodically selects a random box of 7 packets and weighs each packet. When the process is in control, the range in the weight of each sample has averaged 7 grams. Click the icon to view the table of factors for calculating three-sigma limits for the x-chart and R-chart. a. Design an R-and an x-chart for this process. The UCL LR equals grams and the LCLR equals grams. (Enter your response rounded to fwo decimal places)