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6. A process at a watch assembly plant has been changed. The process is divided into three work elements (see table below). A time study has been performed with the following results. The time standard for the process previously was 14.5 minutes. Based on the new time study, should the time standard be revised (essay & calculation format)? The new time study had an initial sample of four observations, with the results shown in the following table. The performance rating factor (RF) is shown for each element, and the allowance for the whole process is 18 percent of the total normal time. Element 1 Element 2 Element 3 Obs 1 Obs 2 2.60 2.34 4.94 4.78 2.18 1.98 Obs 3 3.12 5.10 2.13 Obs 4 2.86 4.68 2.25 Average (min) 2.730 4.875 2.135 RF Normal Time 1.0 1.1 0.9 2.730 5.363 1.922

6. A process at a watch assembly plant has been changed. The process is divided into three work elements (see table below). A time study has been performed with the following results. The time standard for the process previously was 14.5 minutes. Based on the new time study, should the time standard be revised (essay & calculation format)? The new time study had an initial sample of four observations, with the results shown in the following table. The performance rating factor (RF) is shown for each element, and the allowance for the whole process is 18 percent of the total normal time. Element 1 Element 2 Element 3 Obs 1 Obs 2 2.60 2.34 4.94 4.78 2.18 1.98 Obs 3 3.12 5.10 2.13 Obs 4 2.86 4.68 2.25 Average (min) 2.730 4.875 2.135 RF Normal Time 1.0 1.1 0.9 2.730 5.363 1.922

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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6. A process at a watch assembly plant has been changed. The process is divided into three work elements (see table below). A time study has been performed with the following results. The time standard for the process previously was 14.5 minutes. Based on the new time study, should the time standard be revised (essay & calculation format)? The new time study had an initial sample of four observations, with the results shown in the following table. The performance rating factor (RF) is shown for each element, and the allowance for the whole process is 18 percent of the total normal time. Element 1 Element 2 Element 3 Obs 1 Obs 2 2.60 2.34 4.94 4.78 2.18 1.98 Obs 3 3.12 5.10 2.13 Obs 4 2.86 4.68 2.25 Average (min) 2.730 4.875 2.135 RF Normal Time 1.0 1.1 0.9 2.730 5.363 1.922
Transcribed Image Text:6. A process at a watch assembly plant has been changed. The process is divided into three work elements (see table below). A time study has been performed with the following results. The time standard for the process previously was 14.5 minutes. Based on the new time study, should the time standard be revised (essay & calculation format)? The new time study had an initial sample of four observations, with the results shown in the following table. The performance rating factor (RF) is shown for each element, and the allowance for the whole process is 18 percent of the total normal time. Element 1 Element 2 Element 3 Obs 1 Obs 2 2.60 2.34 4.94 4.78 2.18 1.98 Obs 3 3.12 5.10 2.13 Obs 4 2.86 4.68 2.25 Average (min) 2.730 4.875 2.135 RF Normal Time 1.0 1.1 0.9 2.730 5.363 1.922
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