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|2. |__________ thinking is based on these three concepts: |
| | |
| |All work occurs in a system of interconnected processes. |
| |All processes have variation. |
| |Understanding variation and reducing variation are important keys to success. |
| | |
| |Statistical |
| |Qualitative |
| |Geometric |
| |Numerical |
| |Arithmetical |
|3. |In business, decisions need to be made based on: |
| | |
| |gut instinct |
| |perception |
| |data |
| |intuition |
| |superstition |
|4. |Producer’s risk is a: |
| | |
| |Type I error |
| |Type S error |
| |Type II error |
| |geometric error |
| |qualitative error |
|7. Two types of process variation commonly occur. These are: |
| |
|proactive and reactive |
|subjective and objective |
|silent and loud |
|random and nonrandom |
|outward and inward |
|8. __________ variation is centered on the mean and occurs with a consistent amount of dispersion. |
| |
|Nonrandom |
|Consistent |
|Systematic |
|Deliberate |
|Random |
|9. Random variation is referred to as __________. |
| |
|uncontrolled variation |
|controlled variation |
|deliberate variation |
|consistent variation |
|systematic variation |
|10. |__________ or “special cause” variation results from some event. |
| | |
| |Chance |
| |Nonrandom |
| |Arbitrary |
| |Casual |
| |Random |
|11. |Process _________ means that the variation we observe in the process is random variation (common cause) and|
| |not nonrandom variation (special or assignable causes). |
| | |
| |instability |
| |volatility |
| |flux |
| |insecurity |
| |stability |
|12. |Process stability means that the variation we observe in the process is: |
| | |
| |chance variation |
| |arbitrary variation |
| |random variation |
| |casual variation |
| |nonrandom variation |
|13. |To determine process stability, we use: |
| | |
| |stability charts |
| |procedure charts |
| |progression graphs |
| |process charts |
| |check sheets |
|15. |To ensure that processes are stable, data are gathered in: |
| | |
| |batches |
| |populations |
| |samples |
| |lots |
| |sets |
|16. |Which of the following is not one of the alternative names for 100% samples: |
| | |
| |screening samples |
| |sorting samples |
| |rectifying samples |
| |detailing samples |
| |synthesizing samples |
|17. |Screening samples, sorting samples, rectifying samples, and detailing samples are alternatives names for: |
| | |
| |100% samples |
| |nonrandom samples |
| |random samples |
| |50% samples |
| |5% samples |
|23. A(n) __________ is a continuous measurement such as weight, height, or volume. |
| |
|variable |
|attribute |
|trait |
|element |
|feature |
|24. A(n) __________ is the result of a binomial process that results in an either-or-situation. |
| |
|variable |
|quality |
|trait |
|attribute |
|element |
|25. Which of the following is an example of an attribute? |
| |
|s (standard deviation) |
|R (range) |
|P (proportion defective) |
|MR (moving range) |
|X (process population average) |
|27. |X (process population average), R (range), and s (standard deviation) are examples of: |
| | |
| |attributes |
| |variables |
| |elements |
| |traits |
| |qualities |
|28. |P (proportion defective), np (number defective), C (number conforming) and U (number nonconforming) are |
| |examples of: |
| | |
| |qualities |
| |traits |
| |elements |
| |variables |
| |attributes |
|29. |The __________ states that when we plot the sample means, the distribution approximates a normal |
| |distribution. |
| | |
| |central limit theorem |
| |cause and effect theorem |
| |conformance theorem |
| |evaluation theorem |
| |performance theorem |
|31. |The __________ aides us in monitoring the process mean or average. |
| | |
| | |
| |X-bar chart |
| |R chart |
| |C chart |
| |Y chart |
| |A chart |
|32. |The _________ chart is used in monitoring process dispersion. |
| | |
| |A chart |
| |Y chart |
| |C chart |
| |R chart |
| |X chart |
|33. |The X-bar chart is a process chart used to monitor the __________ of the characteristic being measured. |
| | |
| |range |
| |average |
| |mode |
| |variety |
| |parameters |
|34. |The R chart is used to monitor the __________ of the process. |
| | |
| |dispersion |
| |mean |
| |assortment |
| |distribution |
| |parameters |
|37. |In situations where it is not possible to draw samples, __________ are appropriate. |
| | |
| |X and MR charts |
| |R and p charts |
| |np and X charts |
| |c and u charts |
| |p and MR charts |
|38. |A __________ chart is used when data are geometrically distributed, and __________ charts are useful when |
| |data are hypergeometrically distributed. |
| | |
| |p, c |
| |u, c |
| |x, MR |
| |h, c |
| |g, h |
|39. |The __________ is used in place of the R chart when a more sensitive chart is desired. |
| | |
| |s chart |
| |X chart |
| |np chart |
| |u chart |
| |c chart |
| | |
| | |
| | |
| | |
|52. |__________ refers to the ability of a process to produce a product that meets specifications. |
| | |
| |Procedure potential |
| |Method aptitude |
| |Content capability |
| |Process capability |
| |Method potential |
|53. |World-class levels of process capability are measured by __________ defect levels. |
| | |
| |parts per million |
| |parts per hundred thousand |
| |parts per ten thousand |
| |parts per thousand |
| |parts per hundred |
|54. |Six sigma is a design program that emphasizes engineering parts to that they are highly: |
| | |
| |flexible |
| |capable |
| |malleable |
| |colorful |
| |ornate |
|47. |A machine shop owner wishes to monitor the diameter of an engine boring operation where the piston bore |
| |should be 4.25”. He obtains 8 samples of 5 and records the following data. What should the upper and |
| |lower control limits be for an R chart? |
| | |
| |Sample # |
| |1 2 3 4 5 6 7 8 |
| |5.1 4.7 4.3 4.6 4.6 4.8 4.9 4.3 |
| |4.4 4.5 4.6 4.4 4.3 4.3 5.1 4.8 |
| |4.7 4.9 4.4 5 4.7 4.8 4.5 5 |
| |4.9 5.1 4.6 4.9 5 5 4.6 4.7 |
| |4.9 5.2 4.9 4.7 4.7 4.3 4.7 5.2 |
| | |
| |A. (5.00, 8.00)) |
| |B. (-1.50, 1.50) |
| |C. (4.33, 5.12) |
| |D. (0.00, 1.45) |
| |E. (-5.10, 5.10) |
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