12. An R chart is used to monitor the variation in the weights of packages of chocolate chip cookies produced by a large national producer of baked goods. An analyst has collected a baseline of 200 observations to construct the chart. Suppose the com- puted value of R is 3.825. a. If subgroups of size six are to be used, compute the value of three-sigma limits for this chart. b. If an X chart based on three-sigma limits is used, what is the difference between the UCL and LCL?
12. An R chart is used to monitor the variation in the weights of packages of chocolate chip cookies produced by a large national producer of baked goods. An analyst has collected a baseline of 200 observations to construct the chart. Suppose the com- puted value of R is 3.825. a. If subgroups of size six are to be used, compute the value of three-sigma limits for this chart. b. If an X chart based on three-sigma limits is used, what is the difference between the UCL and LCL?
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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![12. An R chart is used to monitor the variation in the weights of packages of chocolate
chip cookies produced by a large national producer of baked goods. An analyst has
collected a baseline of 200 observations to construct the chart. Suppose the com-
puted value of R is 3.825.
a. If subgroups of size six are to be used, compute the value of three-sigma limits
for this chart.
b. If an X chart based on three-sigma limits is used, what is the difference between
the UCL and LCL?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa11c0cf6-9649-4556-9330-71e063d0199c%2Fa6b696e8-0545-4b83-a78d-ef879fc5cd12%2Fvilk1es.png&w=3840&q=75)
Transcribed Image Text:12. An R chart is used to monitor the variation in the weights of packages of chocolate
chip cookies produced by a large national producer of baked goods. An analyst has
collected a baseline of 200 observations to construct the chart. Suppose the com-
puted value of R is 3.825.
a. If subgroups of size six are to be used, compute the value of three-sigma limits
for this chart.
b. If an X chart based on three-sigma limits is used, what is the difference between
the UCL and LCL?
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