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Performance Obs 1 Rating Obs Obs Obs 4 Obs Element Element 1 70 4 Element 2 110 8 10 9 11 10 Element 3 90 6 8. 7 7 6 3. 3. 2. 4)

Performance Obs 1 Rating Obs Obs Obs 4 Obs Element Element 1 70 4 Element 2 110 8 10 9 11 10 Element 3 90 6 8. 7 7 6 3. 3. 2. 4)

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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An initial time study was done on a process with the follow-
ing results (in minutes). Based on the data obtained so far,
assuming an allowance of 20 percent of the normal time,
what do you estimate for the time per customer served, based
on this preliminary sample?

Performance Obs 1 Rating Obs Obs Obs 4 Obs Element Element 1 70 4 Element 2 110 8 10 9 11 10 Element 3 90 6 8. 7 7 6 3. 3. 2. 4)
Transcribed Image Text:Performance Obs 1 Rating Obs Obs Obs 4 Obs Element Element 1 70 4 Element 2 110 8 10 9 11 10 Element 3 90 6 8. 7 7 6 3. 3. 2. 4)
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