OPERATIONS MANAGEMENT CONNECT AC
14th Edition
ISBN: 9781264592784
Author: Stevenson
Publisher: MCG
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Textbook Question
Chapter 13, Problem 8DRQ
Briefly discuss the requirements for effective MRP.
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Students have asked these similar questions
The Carbondale Hospital is considering the purchase of a new ambulance. The decision will rest partly on the anticipated mileage to be driven next year. The miles driven during the past 5 years are as follows:
Year
Mileage
1
3,000
2
3
4
4,000
3,450
3,850
5
3,800
a) Using a 2-year moving average, the forecast for year 6 =
miles (round your response to the nearest whole number).
b) If a 2-year moving average is used to make the forecast, the MAD based on this = miles (round your response to one decimal place). (Hint: You will have only 3 years of matched data.)
c) The forecast for year 6 using a weighted 2-year moving average with weights of 0.40 and 0.60 (the weight of 0.60 is for the most recent period) = ☐ miles (round your response to the nearest whole number).
miles (round your response to one decimal place). (Hint: You will have only 3 years of
The MAD for the forecast developed using a weighted 2-year moving average with weights of 0.40 and 0.60 =
matched data.)
d) Using…
Task time estimates for the modification of an assembly line at Jim Goodale's Carbondale, Illinois, factory
are as follows:
B
D
G
Time
Activity
(in hours) Immediate Predecessor(s)
A
5.0
B
7.5
C
5.0
A
DEFC
8.0
B, C
4.5
Figure 2
A
B, C
7.7
D
G
5.0
E, F
This exercise contains only part a.
a) The correct precedence diagram for the project is shown in
目
F
B
Figure 3
A
E
B
E
☑
D
F
Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time
and the critical path should also be determined. Here are the activity times:
Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s)
A
6
E
3
B
B
8
F
6
B
C
3
A
G
11
C, E
D
1
A
H
7
D, F
Dave's earliest start (ES) and earliest finish (EF) are:
Activity
ES
.EF
A
0
6
B
0
8
C
3
9
D
6
E
F
8
G
22
H
21
Dave's latest start (LS) and latest finish (LF) are:
Activity
LS
LF
H
15
G
11
F
9
Chapter 13 Solutions
OPERATIONS MANAGEMENT CONNECT AC
Ch. 13.11 - What is ERP?Ch. 13.11 - What are the three main reasons firms adopt ERP?Ch. 13.11 - What are some hidden costs of ERP?Ch. 13.11 - How does ERP fit with e-commerce and supply chain...Ch. 13 - Contrast independent and dependent demand.Ch. 13 - When is MRP appropriate?Ch. 13 - Briefly define or explain each of these terms: a....Ch. 13 - Prob. 4DRQCh. 13 - Prob. 5DRQCh. 13 - What is meant by the term safety time?
Ch. 13 - Prob. 7DRQCh. 13 - Briefly discuss the requirements for effective...Ch. 13 - Prob. 9DRQCh. 13 - How can the use of MRP contribute to productivity?Ch. 13 - Prob. 11DRQCh. 13 - What is lot sizing. what is its goal, and why is...Ch. 13 - Contrast planned-order receipts and scheduled...Ch. 13 - If seasonal variations are present, is their...Ch. 13 - Prob. 15DRQCh. 13 - What are some unforeseen costs of ERP?Ch. 13 - What trade-offs are involved in the decision to...Ch. 13 - Who in the organization needs to be involved in...Ch. 13 - Prob. 3TSCh. 13 - Prob. 1CTECh. 13 - Give one example of unethical behavior involving...Ch. 13 - a. Given the following diagram for a product,...Ch. 13 - Prob. 2PCh. 13 - Prob. 3PCh. 13 - Eighty units of end item E are needed at the...Ch. 13 - a. One hundred twenty units of end item Z are...Ch. 13 - A table is assembled using three components, as...Ch. 13 - Eighty units of end item X are needed at the...Ch. 13 - Oh No!, Inc., sells three models of radar detector...Ch. 13 - Assume that you are the manager of a shop that...Ch. 13 - Assume that you are the manager of Assembly, Inc....Ch. 13 - Determine material requirements plans for pans N...Ch. 13 - A firm that produces electric golf carts has just...Ch. 13 - Refer to Problem 12. Assume that unusually mild...Ch. 13 - Using the accompanying diagram, do the following:...Ch. 13 - A company that manufactures paving material for...Ch. 13 - Prob. 16PCh. 13 - The MRP Department has a problem. Its computer...Ch. 13 - Develop a material requirements plan for component...Ch. 13 - How many wheels sets should the manager order?Ch. 13 - When should the wheel sets be ordered?Ch. 13 - Prob. 2.1CQCh. 13 - Prob. 1OTQCh. 13 - Prob. 2OTQCh. 13 - Suppose the company has just received an order for...Ch. 13 - Prob. 4OTQCh. 13 - Prob. 5OTQ
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