7. Using the information presented in the following table, identify the processing sequence that would result using (1) FCFS, (2) SPT, (3) EDD, and (4) CR. For each method, determine (1) average job flow time, (2) average job tardiness, and (3) average number of jobs in the system. Jobs are listed in order of arrival. (Hint: First determine the total job time for each job by computing the total processing time for the job and then adding in the setup time. All times and due dates are in hours.) Processing Job Time per Unit .14 .25 a b с d e .10 .25 .10 Units Setup Due per Job Time Date 45 0.7 4 14 18 40 75 0.5 10 0.2 12 1.0 20 0.5 15

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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7. Using the information presented in the following table, identify the processing sequence that would result using (1) FCFS, (2) SPT, (3)
EDD, and (4) CR. For each method, determine (1) average job flow time, (2) average job tardiness, and (3) average number of jobs in
the system. Jobs are listed in order of arrival. (Hint: First determine the total job time for each job by computing the total processing time
for the job and then adding in the setup time. All times and due dates are in hours.)
Processing
Job Time per Unit
.14
25
a
b
с
d
e
CD
.10
.25
.10
Setup Due
Units
per Job Time Date
45
0.7
4
14
0.5 10
18
40
75
0.2
12
1.0 20
0.5 15
Transcribed Image Text:7. Using the information presented in the following table, identify the processing sequence that would result using (1) FCFS, (2) SPT, (3) EDD, and (4) CR. For each method, determine (1) average job flow time, (2) average job tardiness, and (3) average number of jobs in the system. Jobs are listed in order of arrival. (Hint: First determine the total job time for each job by computing the total processing time for the job and then adding in the setup time. All times and due dates are in hours.) Processing Job Time per Unit .14 25 a b с d e CD .10 .25 .10 Setup Due Units per Job Time Date 45 0.7 4 14 0.5 10 18 40 75 0.2 12 1.0 20 0.5 15
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