MBA 675 Week 3 HW
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School
Bellevue University *
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Course
675
Subject
Industrial Engineering
Date
Jan 9, 2024
Type
xlsx
Pages
18
Uploaded by ElizabethAK
Chapter 2, Problems, #8 – this can be drawn by hand and faxed or scanned and submitted this way
Prepare a flowchart of the field service division process at DEF, as described here. Start from the point wher
dollar company that manufactured and distributed a wide variety of electronic, photographic, and reprograp
Service Division employed 475 field service technicians, who performed maintenance and warranty repairs (NSC), which received about 3,000 calls per day. The NSC staffed its call center with about 40 call-takers. A
takers, who entered information about the machine, the caller’s name, and the type of problem into DEF’s m
the problem. However, call-takers were currently only able to avoid about 10 percent of the incoming emerg
usually stated the following script: “Depending upon the availability of our technicians, you should expect to
time based on the model number and the zone.) This information was given to the customer because man
service call information on DEF’s computer system, which then sent the information electronically to the r
dispatch centers with a total of about 20 dispatchers.) Service call information was printed on a small card a
the dispatcher assigned to that customer location. The dispatcher placed each card on a magnetic board und
for the service call, given the location of the machine, the current location of the tech, and the tech’s trainin
dispatch center, cleared the call, and received a new call assigned by the dispatcher. After getting the service
drove to the customer site, diagnosed the problem, repaired the machine if parts were available in the van, parts for a repair, the tech informed the NSC, and the part was express mailed
re a call is received and end when a technician finishes the job. DEF was a multibillion phic equipment used in many engineering and medical system applications. The Field on the equipment sold by DEF. Customers would call DEF’s National Service Center A typical incoming service call was received at the NSC and routed to one of the call-
mainframe computer. In some cases, the call-taker attempted to help the customer fix gency maintenance service calls. If the service call could not be avoided, the call-taker o see a technician sometime between now and (now ).” (“X” was the target response ny customers wanted to know when a tech would arrive on site. Call-takers entered regional dispatch center assigned to that customer location. (DEF had four regional at the dispatch center. About every hour, cards were ripped off the printer and given to der the name of a tech that the dispatcher believed would be the most likely candidate ng profile. After completing a service call, techs called the dispatcher in the regional e call from a dispatcher, a tech called the customer to give an expected time of arrival, and then telephoned the dispatcher for the next call. If the tech did not have the right d to the customer; the repair was done the next morning.
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Step #
Time (hr:min)
Distance (ft)
Operation
Transport
Inspect
Delay
Store
1
X
2
50
X
3
4:00
X
4
X
5
60
X
6
0:04
X
7
80
X
8
X
9
1:40
X
10
25
X
11
0:02
X
12
50
X
13
0:10
X
14
0:03
X
Suggested Improvements:
Implement a queing system that shows estimated wait times and updates customers Increase number of clerks and train all to process all types of taxes
Create a better seating area and amenities in waiting areas to make the wait times mo
Chapter 2, Problems, #15 – “abuse the license clerk” should not be considered and included as one of the process ope
At the Department of Motor Vehicles (DMV), the process of getting license plates for your car begins w
customers waiting for service. You notice that many customers become discouraged and leave. When a
available clerk. If no one stands, several minutes are lost while the same number is called repeatedly. Even
several minut
After 4 hours, your number is called and checked by the uniformed person. You walk 60 feet to the clerk, a
state personal property tax, 80 feet away. You take a different number and sit down with some different c
property taxes in a process that takes 2 minutes. Now that you have paid taxes, you are eli
The registration and license customers are called in the same order in which personal property taxes were
the license clerk about the w
Make a process chart using OM Explorer’s Proces
Create an online system for processing licenese plate renewals, so customers can av
anyway
Step Description
Take a number
Walk to waiting area
Wait for service
Number is called and checked
Walk to clerk
Pay City Taxes
Walk to state personal property tax waiting area
Take new number
Wait for service
Walk to clerk
Pay Property Taxes
Walk to license and registration area
Wait for service
Pay license and registration fee
on their place in the queue
ore comfortable for customers
erations, this can be drawn by hand and faxed or scanned and submitted this way
when you enter the facility and take a number. You walk 50 feet to the waiting area. During your wait, you count abo
a number is called, if a customer stands, the ticket is checked by a uniformed person, and the customer is directed ntually, the next number is called, and more often than not, that customer has left, too. The DMV clerk has now bee
tes but does not seem to mind.
and the process of paying city sales taxes is completed in 4 minutes. The clerk then directs you to the waiting area f
customers who are just renewing licenses. There is a 1-hour, 40-minute wait this time, and after a walk of 25 feet y
igible to pay registration and license fees. That department is 50 feet away, beyond the employees’ cafeteria.
e paid. There is only a 10-minute wait and a 3-minute process. You receive your license plates, take a minute to com
wait, and leave exactly 6 hours after arriving.
ss Charts Solver to depict this process, and suggest improvements.
void the physical wait times since it's so short
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out 30 to the en idle for for paying you pay mplain to
Chapter 2, Problems, #33 – answer only parts b) and c)
C A
Type of Failure
# of rejections
Culumative Percentage
C
C
Low Copper Plating
26
26
52%
B
C
Poor Electrolyte Coverage
12
38
76%
C A
Improper Lamination
6
44
88%
D
B
Plating Separation
4
48
96%
E
C
Improper Etching
2
50
100%
C
C
50
C
A
B
C
A
A
D
A
A
C
C
C
C
D
C
A
B
C
C
C
A
C
C
E
D
C
C
C
A
A
C
B
C
A
Equipment
Personnel
B
C
Lack of training Poor electrolyte coverage
Quality con
Improper etching
At Conner Company, a custom manufacturer of printed circuit boards, the finished boards are subjected to
for making a presentation to management on quality problems at the beginning of each month. Your assis
has given you a summary statement listing the reference number of the circuit board and the reason for re
A= Poor electrolyte coverage B= Improper Lamination C= Low copper plating D= Plating separatio
For 50 circuit boards that had been rejected last month, the summary statement showed the following:
C B C C D E C C B A D A C C C B C A C D C A C C B
A C A C B C C A C A A C C D A C C C E C C A B A C
b) Develop a Pareto chart to identify the more significant types of rejection.
c) Examine the causes of the most significant type of defect, using a cause-and-effect diagram.
Low copper platting
L
Plating separation
Improper la
Materials
Procedures
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ntrol
o a final inspection prior to shipment to its customers. As Conner’s quality assurance, you are responsible stant has analyzed the reject memos for all the circuit boards that were rejected during the past month. He ejection from one of the following categories:
on E= Improper Etching
Defective Circuit Boards
Low Copper Plat
ng
Poor Ele
ct
rolyte Coverage
Impr
oper Lami
naton
Plat
ng Se
paraton
Improper Etchi
ng
0
5
10
15
20
25
30
0%
20%
40%
60%
80%
100%
120%
26
12
6
4
2
52%
76%
88%
96%
100%
Circut Board Rejecton Types
# of rejectons
Percentage
amination
Chapter 13, Discussion Questions, #2
The owner of a Major League Baseball team is considering moving his team from its current city in the upper
to a city in the Southeast that offers a larger television market, a new stadium, and holds the potential for gr
support. What other factors should the owner consider before actually making the decision to relocate
There are some factors the owner should consider before deciding to relocate:
1.
Fan Base: While greater fan support may be available in the new location, it is important to research the fan base in the current city. The team may have built a loyal fan base in its current location, and moving to a n
could result in alienating these fans.
2.
Financial implications: The cost of building a new stadium, relocating the team, and the potential impact revenue streams, such as ticket sales and merchandise, should be considered. Moving to a new city may com
high financial cost and the owner should ensure that the move makes financial sense.
3.
Team culture: The owner should consider the impact of relocation on team culture. Moving to a new city disrupt team dynamics, affect player morale, and create uncertainty.
4.
Market research: The owner should conduct market research in the new city to determine the level of inte
the team, potential competition, and the willingness of fans to pay for tickets and merchandise.
5.
Media coverage: While a larger television market may be attractive, the owner should consider the level coverage available in the new city. Without adequate coverage, the team may struggle to build a fan base an
generate interest.
Overall, the owner should carefully evaluate all factors before deciding to relocate the team to a new city.
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r Midwest reater fan e?
current new city on me with a can erest in of media nd
Location
Downtown
Suburban
12000
8000
30000
25000
1.5
1
3.25
2.85
Expenses for Downtown:
$ 57,000 Based on the data provided I would recommend Sam Hut
Revenue for Downtown:
$ 97,500 Downotown Profit:
$ 40,500 Expenses for Suburban:
$ 33,000 Revenue for Suburban:
$ 71,250 Suburban Profit:
$ 38,250 Chapter 13, Problems, #11 – consider the information presented in the problem and only this information
Sam Hutchins is planning to operate a specialty bagel sandwich kiosk but is undecided about whether to locate in the downtown shopping plaza or in a suburban shopping mall. Based on the following data, which location would you recommend?
Annual rent, including utilities
Expected annual demand (sandwiches)
Average variable costs per sandwich
Average selling price per sandwich
tchins operate a bagel sandwhcih kiosk in the Downtown Plaza since that is expected to make more profit.
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Chapter 13, Problems, #22
In place of the Rent factor, use the following factor and corresponding values for each location:
Operating cost with a factor weight = 25
Value for Location A: $1,000,000
Value for Location B: $600,000
Value for Location C: $200,000
Value for Location D: $400,000
Use the method that I presented in my video on the Factor Rating method
Location Factor
Factor Weight
A
B
C
D
Operating Cost
25
1,000,000 600,000 200,000 400,000 Quality of Life
20
2
5
5
4
Schools
5
3
5
3
1
Proximity to work
10
5
3
4
3
Proximity to recreation
15
4
4
5
2
Neighborhood security
15
2
4
4
4
Utilities
10
4
2
3
5
Total
100
Updated w/ weighted avg.
Location Factor
Factor Weight
A
B
C
D
Operating Cost
25
5
8
25
13
Quality of Life
20
40
100
100
80
Schools
5
15
25
15
5
Proximity to work
10
50
30
40
30
Proximity to recreation
15
60
60
75
30
Neighborhood security
15
30
60
60
60
Utilities
10
300
600
600
600
Total:
100
500
883
915
818
Wang Lei and Li Mei Cai are newlyweds trying to decide among several available rentals. Alternatives were 13.7. The criteria included rent, proximity to work and recreational opportunities, security, and other neighbo
an apartment, B is a bungalow, C is a condo, and D is a downst
Which location is indicated by the preference matrix? What qualitative
0.20 0.33 1.00 0.50 scored on a scale of 1 to 5 against weighted performance criteria, as shown in Table orhood characteristics associated with the couple’s values and lifestyle. Alternative A is tairs apartment in Li Mei’s parents’ home.
factors might cause this preference to change?
Location C, the Condo is indicated by the preference matrix. Qualitive factors that may cause this
personal preferences, Wang and Li could change over time. Economic factors like changes in the
increased rent costs. Also with a change in lifestyle, they may have kids later and there are other
s to change could be e housing market or factors to consider.
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