Practical Management Science
Practical Management Science
6th Edition
ISBN: 9781337406659
Author: WINSTON, Wayne L.
Publisher: Cengage,
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Savita

A time study was conducted on a job that contains four elements. The observed times and performance ratings for six cycles are
shown in the following table.
Element
1
2
3
4
Performance
Rating
90%
90
95
105
Element
1
2
3
4
1
0.53
1.53
0.88
1.13
OBSERVATIONS (minutes per cycle)
Click here for the Excel Data File
2
3
0.58
0.48
1.53
1.48
0.88 0.78
1.18
1.13
5
4
0.48 0.48
1.48
1.48
0.83 0.88
1.18
1.18
a. Determine the average cycle time for each element. (Round your answers to 3 decimal places.)
Average cycle
6
0.48
1.53
0.83
1.23
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Transcribed Image Text:A time study was conducted on a job that contains four elements. The observed times and performance ratings for six cycles are shown in the following table. Element 1 2 3 4 Performance Rating 90% 90 95 105 Element 1 2 3 4 1 0.53 1.53 0.88 1.13 OBSERVATIONS (minutes per cycle) Click here for the Excel Data File 2 3 0.58 0.48 1.53 1.48 0.88 0.78 1.18 1.13 5 4 0.48 0.48 1.48 1.48 0.83 0.88 1.18 1.18 a. Determine the average cycle time for each element. (Round your answers to 3 decimal places.) Average cycle 6 0.48 1.53 0.83 1.23
b. Find the normal time for each element. (Round your answers to 3 decimal places.)
Element
1
2
3
4
c. Assuming an allowance factor of 23 percent of job time, compute the standard time for this job. (Round your answers to 3 decimal
places.)
Element
1
2
Normal time
3
4
Standard time
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Transcribed Image Text:b. Find the normal time for each element. (Round your answers to 3 decimal places.) Element 1 2 3 4 c. Assuming an allowance factor of 23 percent of job time, compute the standard time for this job. (Round your answers to 3 decimal places.) Element 1 2 Normal time 3 4 Standard time
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