The typical full-service restaurant uses a product-focused process.
The bullwhip effect refers to the increasing fluctuations in orders that often occur as
orders move through the supply chain.
The definition of quality adopted by The American Society for Quality is a
customer-oriented definition.
Some organizations use outsourcing to replace entire purchasing, information systems,
marketing, finance, and operations departments.
Hidden problems are generally uncovered during the process of reducing inventory.
The quantity required of a dependent demand item is computed from the demand for
the final products in which the item is used.
The sales force composite forecasting method relies on salespersons’ estimates of
expected sales.
A bank manager wants to determine the percent of time the bank’s tellers are working
and idle. He decides to use work sampling, and his initial estimate is that the tellers are
idle 20% of the time. Approximately how many observations should be taken to be 95%
confident that the results will not be more than 5% away from the true result?
A) 6
B) 16
C) 44
D) 210
E) 246
What is the primary reason why retailers tend to locate high-draw items around the
periphery of the store?
A) More shelf space for those popular items is available around the periphery.
B) There will be less congestion of customers than there would be in the middle.
C) This arrangement will help to maximize customer exposure to other items in the
store.
D) It is easier to put large advertisement signs on the outside walls right next to the
items.
E) This arrangement allows customers to travel through the store as quickly as possible.
A network consists of the activities in the following list. Times are given in weeks.
a. Draw the network diagram.
b. Calculate the ES, EF, LS, LF, and Slack for each activity.
c. What is project completion time?
Which of the following is an opportunity for effective management in the supply chain?
A) random “pull” data
B) multistage control of replenishment
C) the bullwhip effect
D) customer managed inventory
E) channel assembly
Ten samples of a process measuring the number of returns per 100 receipts were taken
for a local retail store. The number of returns were 10, 9, 11, 7, 3, 12, 8, 4, 6, 11. Find
the standard deviation of the sampling distribution. (Hint- Use p-bar formula)
A) There is not enough information.
B) .081
C) 8.1
D) .0273
E) .0863
In time series, which of the following cannot be predicted?
A) large increases in demand
B) cycles
C) seasonal fluctuations
D) random fluctuations
E) large decreases in demand
A company is preparing a bid on a government contract for 40 units of a certain
product. The operations manager estimates the assembly time required for the first two
units to be 10.4 hours and 8.3 hours, respectively.
a. What is the appropriate learning curve?
b. What is the average time per unit for the 40 units?
c. Which unit, if any, will require approximately one-half the time of the first unit?
“Women and children first!” declares the captain of a sinking ship. His directive
employs which of the following queue disciplines in disembarking passengers?
A) priority
B) random
C) FIFO or FIFS
D) LIFO or LIFS
E) SPT
Which of the following is a necessity for common EOQ methodology but not
simulations
A) constant lead time
B) variable demand
C) variable holding costs
D) A and B
E) A, B and C
Working 4 shifts of ten hours instead of 5 shifts at 8 hours each is known as
A) flextime
B) constant employment
C) part-time status
D) flexible workweek
E) none of the above
If the food service for the university operates a cafeteria with a single serving line, that
system behaves most like a
A) single channel, single phase system
B) single channel, multi-phase system
C) multi-channel, single phase system
D) multi-channel, multi-phase system
E) none of the above
Why does it matter whether a population of arrivals is limited or unlimited? Compose
your answer in a well-organized, convincing paragraph.
The last four weekly values of sales were 80, 100, 105, and 90 units. The last four
forecasts (for the same four weeks) were 60, 80, 95, and 75 units. Calculate MAD,
MSE, and MAPE for these four weeks.
A bakery uses 6 containers that each hold 4 cakes. If safety stock is 2 cakes and lead
time is 11 days, determine daily demand.
Why doesn’t acceptance sampling remove all defects from a batch?
__________ is actual output as a percent of design capacity.
How is the statistical tool of adequate sample sizing used in work measurement?
Describe finite capacity scheduling. How is it more realistic than MRP?
The __________ is the computed longest time path(s) through a network.
What does the stepping-stone method do?