Currently a company that designs Web sites has five customers in its backlog. The time since the order arrived, processing time, and promised due dates are given in the following table. The customers are ready to be scheduled today, which is the start of day 190. Customer Time Since Order Arrived (days ago) Processing Time (days) Due Date (days from now) Upper AA 6 18 66 Upper BB 3 24 58 Upper CC 2 32 100 Upper DD 10 22 26 Upper EE 8 12 50 a. Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average days past due. Part 2 Using the FCFS (first come, first served) decision rule for sequencing the customers, the order is: Sequence 1 2 3 4 5 Customer D E A B C Part 3 Using the EDD (earliest due date) decision rule for sequencing the customers, the order is (to resolve a tie, use the order in which the jobs were received): Sequence 1 2 3 4 5 Customer D E B A C Part 4 The average flow time and average days past due for each option are: (Enter your responses rounded to one decimal place.) Average flow time= Sum of total flow time / Number of customers Average days past due =Total late days/ Number of customers Rule Average Flow Time Average Days Past Due EDD enter your response here enter your response here FCFS enter your response here enter your response here
Currently a company that designs Web sites has five customers in its backlog. The time since the order arrived, processing time, and promised due dates are given in the following table. The customers are ready to be scheduled today, which is the start of day 190. Customer Time Since Order Arrived (days ago) Processing Time (days) Due Date (days from now) Upper AA 6 18 66 Upper BB 3 24 58 Upper CC 2 32 100 Upper DD 10 22 26 Upper EE 8 12 50 a. Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average days past due. Part 2 Using the FCFS (first come, first served) decision rule for sequencing the customers, the order is: Sequence 1 2 3 4 5 Customer D E A B C Part 3 Using the EDD (earliest due date) decision rule for sequencing the customers, the order is (to resolve a tie, use the order in which the jobs were received): Sequence 1 2 3 4 5 Customer D E B A C Part 4 The average flow time and average days past due for each option are: (Enter your responses rounded to one decimal place.) Average flow time= Sum of total flow time / Number of customers Average days past due =Total late days/ Number of customers Rule Average Flow Time Average Days Past Due EDD enter your response here enter your response here FCFS enter your response here enter your response here
Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment
Section: Chapter Questions
Problem 1CE
Related questions
Question
Currently a company that designs Web sites has five customers in its backlog. The time since the order arrived, processing time, and promised due dates are given in the following table. The customers are ready to be scheduled today, which is the start of day 190.
Customer
|
Time Since
Order Arrived
(days ago)
|
Processing
Time (days)
|
Due Date
(days from
now)
|
Upper AA
|
6
|
18
|
66
|
Upper BB
|
3
|
24
|
58
|
Upper CC
|
2
|
32
|
100
|
Upper DD
|
10
|
22
|
26
|
Upper EE
|
8
|
12
|
50
|
a. Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average days past due.
Part 2
Using the FCFS (first come, first served) decision rule for sequencing the customers, the order is:
Sequence
|
1
|
2
|
3
|
4
|
5
|
Customer
|
D
|
E
|
A
|
B
|
C
|
Part 3
Using the EDD (earliest due date) decision rule for sequencing the customers, the order is (to resolve a tie, use the order in which the jobs were received):
Sequence
|
1
|
2
|
3
|
4
|
5
|
Customer
|
D
|
E
|
B
|
A
|
C
|
Part 4
The average flow time and average days past due for each option are: (Enter your responses rounded to one decimal place.)
Average flow time= Sum of total flow time / Number of customers
Average days past due =Total late days/ Number of customers
Rule
|
Average Flow Time
|
Average Days Past Due
|
EDD
|
enter your response here
|
enter your response here
|
FCFS
|
enter your response here
|
enter your response here
|
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