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How well the design of the product meets and exceeds

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Unformatted text preview: the process capability measured by Cpk________. A. Decreases, decreases B. Increases, increases C. Decreases, increases D. None of the above AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Learning Objective: 6 Topic: Process capability 1-1705 Chapter 01 - An Introduction to Business Statistics 34. If a control chart is used correctly, and the necessary corrective actions are taken, as the control limits get _______, the potential quality of the product _____________. A. Looser, increases B. Tighter, decreases C. Tighter, increases D. None of the above AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Learning Objective: 4 Topic: Control Charts 35. Consider two processes. Process 1's mean is equal to its target (nominal) value, while the process 2's mean is not equal to its target value. The Cpkvalue for process 1 will _____, Cpkvalue for process 2. A. Always be larger than B. Always be the same as C. Always be smaller than D. Sometimes be larger than E. Sometimes be smaller than AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Learning Objective: 6 Topic: Control Charts 36. In a manufacturing process, if the limits for a control chart are set too _____________, the risk of not investigating a special cause of variation and possibly not taking a corrective action ____________. A. Tight, increases B. Loose, increases C. Loose, decreases D. None of the above AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Learning Objective: 4 Topic: Process variability 1-1706 Chapter 01 - An Introduction to Business Statistics 37. In a manufacturing process, if the limits for a control chart are set too _____________, the risk of unnecessarily tampering with the process ____________. A. Tight, increases B. Loose, increases C. Tight, decreases D. None of the above AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Learning Objective: 4 Topic: Process variability 38. Which of the following is not evidence of an assignable cause? A. There are 8 consecutive points above the mean. B. There are 9 consecutively decreasing points. C. There is a point below the lower control limit. D. There are 2 out of 3 consecutive points in Zone A. E. There are 4 out of 5 consecutive points in Zone C. AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Learning Objective: 5 Topic: Pattern analysis 39. The natural tolerance limits for a normally distributed process that is in statistical control: A. Extend beyond the specification limits when a process is capable B. Are within the specification limits when a process is capable C. Contain approximately 99.73 percent of the individual process measurements D. Both B and C are correct E. Both A and C are correct AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Learning Objective: 6 Topic: Process capability 1-1707 Chapter 01 - An Introduction to Business Statistics 40. Common causes of process variation: A. Are sources of unusual process variation B. Usually must be remedied by management C. Usually must be remedied by local supervision D. Always exist together with assignable causes of variation E. Can never be remedied or reduced AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Learning Objective: 2 Topic: Process variability 41. When a process is influenced only by common causes of variation: A. The process may also be influenced by assignable causes of variation. B. Many plot points on a control chart will be outside the control limits. C. The process is always capable of meeting customer requirements. D. The process is in statistical control. E. The process is never capable of meeting customer requirements. AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Learning Objective: 2 Topic: Process variability 42. If the ________ limits are within the ________ limits, then it can be concluded that the process is __________. A. Specification, natural, capable B. Natural, specification, stable C. Specification, natural, stable D. Natural, specification, capable AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Learning Objective: 6 Topic: Process capability 1-1708 Chapter 01 - An Introduction to Business Statistics 43. In 25 samples of 100 units each, 75 units were found to be defective. Find the appropriate UCL and LCL for the p-chart. A. 0 to .0642 B. 0 to .0828 C. 0 to .0812 D. .0129 to .0471 E. 0 to .1324 AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Learning Objective: 7 Topic: P-Chart Control Charts 44. For a manufacturing process, = 10 inches, = .4 inches and the subgroup sample size is 6 units. Calculate the natural tolerance limits for this process. A. 9.526 to 10.474 B. 9.510 to 10.490 C. 9.484 to 10.516 D. 9.807 to 10.193 E. 9.769 to 10.231 AACSB: Analytic Bloom's: Application Difficulty: Hard Learning Objective: 6 Topic: Process capability 1-1709 Chapter 01 - An Introduction to Business Statistics 45. For a manufacturing process, size is 6...
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