Which of the following statements is NOT true about six sigma quality?
A. Six sigma results in 3.4 ppm defects
B. Six sigma corresponds to 3 standard deviations on either side of the mean
C. Six sigma can be applied to administrative and service processes as well
D. Motorola invented the term "six sigma quality" in the mid-80s
Answer: B
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Operations Management
- T / F - MRP is a type of pull system.
- T / F - In MRP systems, inventories are managed according to their dollar usage values (i.e., high dollar usage inventories are more carefully managed compared to low dollar usage inventories).
- The bill of materials:
- The parts explosion results in the following outputs:
- Planned lead times:
- Successful MRP implementation requires:
- The three inputs for an MRP parts explosion are:
- T / F - A decrease in an item's lead-time will increase the amount of safety stock required to maintain a constant service level.
- T / F - Transit inventories are also referred to as pipeline inventories because they consist of materials that are on their way from one point to another point in the supply chain.
- Transportation cost is an example of:
- A computerized inventory system checks inventory levels at the end of the week and produces suggested orders for the coming week. What kind of system is this?
- Which cost defines the cost of capital?
- The carrying cost for inventory consists of which cost components?
- Of the cost elements making up total inventory cost, which is the most difficult to estimate?
- T / F - A work-breakdown structure is used in the scheduling activity of project management.
- "Slack" refers to the difference between:
- Project managers' work includes:
- Project management requires:
- The purpose of performing a forward pass is to:
- The job of the project manager is to:
- T / F - Throughput is defined as the difference between the sales and the operating expenses of a plant.
- T / F - Finite Capacity Scheduling can be used to identify the bottleneck in a given process.
- Which of the following is NOT determined by Gantt charting?
- Scheduling systems answer all of the following questions EXCEPT:
- A bottleneck is: