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Question
Given the following weekly demand figures:
| Week | Demand |
| 1 | 20 |
| 2 | 60 |
| 3 | 30 |
| 4 | 20 |
| 5 | 40 |
Which of the following statements is/are true about time-series forecasting?
A. The basic strategy is to identify the magnitude and form of each component based on available past data.
B. It is used to make detailed analyses of past demand patterns over time and to project these patterns forward into the future.
C. Demand can be divided into components such as average level, trend, seasonality, cycle and error.
D. All of the above
Answer
This answer is hidden. It contains 1 characters.
Related questions
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The average inventory level is defined as the difference between the cycle stock and the safety stock.
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B. Annual dollar usage
C. Activity-based costs
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B. Lead-time is constant and known.
C. No stockouts are allowed.
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B. Inventory that is independent of any known rules of demand and supply
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Which of the following is NOT a purpose of inventory?
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Q:
One step in process flow analysis is to describe the existing process. If a new system is being developed, (there is no existing system):
A. This step is simply omitted
B. Process flow analysis cannot be performed
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Which of the following statements regarding business process reengineering (BPR) is NOT true?
A. BPR is a term coined by Hammer and Champy in the book called "Reengineering the Corporation."
B. BPR refers to extensive process redesign.
C. BPR simplifies processes and eliminates the non-value added elements from the process.
D. BPR is synonymous to the Total Quality Management approach of process improvement.
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The major difference between the service delivery system matrix and the product-process matrix is that service process design generally does not vary with customer volume.
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If I denotes the average inventory in the system, T denotes the average throughput time, and R denotes the average flow rate of the system, then by Little's Law:
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A. Retail trade
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D. Auto repair
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A. Follows every service transaction
B. Is an implicit service
C. Is rapid compensation for a service failure
D. None of the above
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Which of the following are characteristics of a low-contact service delivery system?
A. Lower costs and more standardization
B. Greater flexibility, need for people who are highly skilled in interpersonal relations, and a customer orientation
C. Need for people with a high level of technical skills oriented toward efficient processing, well-defined procedures, and smooth flow
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What are the three areas of process selection decisions that affect environmental impact?
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An example of an industry that produces a few major discrete products and uses a product layout is:
A. Commercial printer
B. Heavy equipment
C. Automotive assembly
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B. Quality, cost, flexibility, and agility
C. Quality, cost, delivery, and flexibility
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B. Every operation should be externally directed to meet the customers' requirements
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A. 55
B. 190
C. 110
D. 380
E. None of the above
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In MRP "scheduled receipts" are:
A. Identical to "planned order receipts"
B. Identical to "planned order releases"
C. Identical to "net requirements"
D. Open orders not delivered yet
Q:
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