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 UCLR equals 8.89 grams and the LCLR equals 1.12 grams. (Enter your response rounded to two decimal places.) The UCL- equals 46.54 grams and the LCL- equals 43.46 grams. (Enter your responses rounded to two decimal places.) b. The results from the last 5 samples of 10 packets are shown below. Is the process in control? Explain. Sample 1 2 3 4 5 The process variability is in statistical control and the process average is out of X 44 43 47 47 45 R 8 2 9 2 6 D statistical control. Therefore, the entire process is ▼control.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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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 5 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 UCLR equals 8.89 grams and the LCLR equals 1.12 grams. (Enter your response rounded to two decimal places.)
The UCL equals 46.54 grams and the LCL equals 43.46 grams. (Enter your responses rounded to two decimal places.)
b. The results from the last 5 samples of 10 packets are shown below. Is the process in control? Explain.
The process variability is
in
Sample
1
2
3
4
5
statistical control and the process average is
out of
X
44
43
47
47
45
R
8
2
9
2
6
Q
statistical control. Therefore, the entire process is
control.
Transcribed Image Text: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 5 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 UCLR equals 8.89 grams and the LCLR equals 1.12 grams. (Enter your response rounded to two decimal places.) The UCL equals 46.54 grams and the LCL equals 43.46 grams. (Enter your responses rounded to two decimal places.) b. The results from the last 5 samples of 10 packets are shown below. Is the process in control? Explain. The process variability is in Sample 1 2 3 4 5 statistical control and the process average is out of X 44 43 47 47 45 R 8 2 9 2 6 Q statistical control. Therefore, the entire process is control.
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