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An initial time study was done on a process with the following 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? Element Element 1 Element 2 Element 3 Performance Rating 70 110 90 Obs 1 4 8 6 Obs 2 3 10 8 Obs 3 5 9 7 Obs 4 4 11 7 Obs 5 3 10 6

An initial time study was done on a process with the following 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? Element Element 1 Element 2 Element 3 Performance Rating 70 110 90 Obs 1 4 8 6 Obs 2 3 10 8 Obs 3 5 9 7 Obs 4 4 11 7 Obs 5 3 10 6

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 following 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? Element Element 1 Element 2 Element 3 Performance Rating 70 110 90 Obs 1 4 8 6 Obs 2 3 10 8 Obs 3 5 9 7 Obs 4 4 11 7 Obs 5 3 10 6
Transcribed Image Text:An initial time study was done on a process with the following 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? Element Element 1 Element 2 Element 3 Performance Rating 70 110 90 Obs 1 4 8 6 Obs 2 3 10 8 Obs 3 5 9 7 Obs 4 4 11 7 Obs 5 3 10 6
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