2.4 A quality engineer in charge of a coffee filter pack production line was concerned about the weight (in grams) of the filter packs being produced. The quality team sampled three packs every hour, throughout the production day. The table below shows the results: Sample number 1 2 3 4 5 16 7 Weight (g) 21.1 20.7 20:0 20:3 212 21.3 222 214 21.11 19.9 22.3 10.0 21.1 20.6 20.1 20.6 21:5 21:4 21.1 21.4 20.9 Calculate the control limits for an chart, based on the range.

Practical Management Science
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Author:WINSTON, Wayne L.
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Chapter2: Introduction To Spreadsheet Modeling
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2.4 A quality engineer in charge of a coffee filter pack production line was concerned about
the weight (in grams) of the filter packs being produced. The quality team sampled three
packs every hour, throughout the production day. The table below shows the results:
Sample
number
1
2
3
4
5
6
7
20.6
20.1
20.6
21:5
21.4
21.1
21.4
Weight (g)
21.1
20:0
21.2
222
21.11
22.3
20.9
20.7
20:3
21.3
214
19.9
19.0
21:1
Calculate the control limits for any chart, based on the range
(5)
Transcribed Image Text:2.4 A quality engineer in charge of a coffee filter pack production line was concerned about the weight (in grams) of the filter packs being produced. The quality team sampled three packs every hour, throughout the production day. The table below shows the results: Sample number 1 2 3 4 5 6 7 20.6 20.1 20.6 21:5 21.4 21.1 21.4 Weight (g) 21.1 20:0 21.2 222 21.11 22.3 20.9 20.7 20:3 21.3 214 19.9 19.0 21:1 Calculate the control limits for any chart, based on the range (5)
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