3. The Canine Gourmet Company produces delicious dog treats for canines with discriminating tastes. Management wants...

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3. The Canine Gourmet Company produces delicious dog treats for canines with discriminating tastes. Management wants the box- filling line to be set so that the process average weight per packet is 45 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 10 packets and weighs each packet. When the process is in control, the range in the weight of each sample has averaged 6 grams. a. Design an R- and an -chart for this process. The results from the last five samples of 10 packets are 5 Sample 1 8 44 2 40 40 3 46 5 4 39 Is the process in control? Explain. 48 3 00 8 2 9 R Aspen Plastics produces plastic bottles to customer order. The quality inspector randomly selects four bottles from the bottle machine and measures the outside diameter of the bottle neck, a critical quality dimension that determines whether the bottle cap will fit properly. The dimensions (in inches) from the last six samples are Sample 1 2 BOTTLE 4 3 1 0.594 0.622 0.598 0.590 2 0.587 0.611 0.597 0.613 3 0.571 0.580 0,595 0.602 4 0.610 0.615 0.585 0.578 5 0.580 0.624 0.618 0.614 6 0.585 0.593 0.607 0.569 3. The Canine Gourmet Company produces delicious dog treats for canines with discriminating tastes. Management wants the box- filling line to be set so that the process average weight per packet is 45 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 10 packets and weighs each packet. When the process is in control, the range in the weight of each sample has averaged 6 grams. a. Design an R- and an -chart for this process. The results from the last five samples of 10 packets are 5 Sample 1 8 44 2 40 40 3 46 5 4 39 Is the process in control? Explain. 48 3 00 8 2 9 R Aspen Plastics produces plastic bottles to customer order. The quality inspector randomly selects four bottles from the bottle machine and measures the outside diameter of the bottle neck, a critical quality dimension that determines whether the bottle cap will fit properly. The dimensions (in inches) from the last six samples are Sample 1 2 BOTTLE 4 3 1 0.594 0.622 0.598 0.590 2 0.587 0.611 0.597 0.613 3 0.571 0.580 0,595 0.602 4 0.610 0.615 0.585 0.578 5 0.580 0.624 0.618 0.614 6 0.585 0.593 0.607 0.569