质量管理exercise of chp12.ppt

* 1. __________ is a decision-making skill demonstrated by the ability to draw to conclusions based on data. a. Numerical thinking b. Arithmetical modeling c. Geometric representing d. Statistical thinking e. Quantitative modeling 2. Two types of process variation commonly occur. These are: a. proactive and reactive b. subjective and objective c.silent and loud d.random and nonrandom e.outward and inward 3. __________ variation is centered on the mean and occurs with a consistent amount of dispersion. a. Nonrandom b. Consistent c. Systematic d. Deliberate e. Random. 4.__________ or “special cause” variation results from some event. a. Chance b.Nonrandom c.Arbitrary d.Casual e.Random √ √ √ √ Classwork of Chapter 121.CHOICE QUESTIONS 5.Random variation is referred to as __________. a.uncontrolled variation b.controlled variation c.deliberate variation d.consistent variation e.systematic variation 6. Process stability means that the variation we observe in the process is: a.chance variation b.arbitrary variation c.random variation d.casual variation e.nonrandom variation 7. To determine process stability, we use: a.stability charts b.procedure charts c.progression graphs d.process charts e.check sheets 8. To ensure that processes are stable, data are gathered in: a. batches b. populations c. samples d. lots e. sets 9. Samples can be systematic according to: a. impulse or chance b. happenstance or sequence c. coincidence or time d. time or sequence e. color or time √ √ √ √ √ 10. A(n) __________ is a group of data that is logically homogenous; variation within this data can provide a yardstick for setting limits on the standard variation between subgroups. a. primary subgroup b. rational subgroup c. statutory subgroup d. unfounded subgroup e. illogical subgroup 11. A Type I