Question 1. The probability that a product will wear out within a given amount of time is often described by the:
- a. beta distribution
- b. binomial distribution
- c. negative exponential distribution
- d. normal distribution
- e. uniform distribution
Question 2. The range chart is most likely to detect a change in:
- a. proportion.
- b. mean
- c. number defective.
- d. variability.
- e. sample size.
Question 3. Which of the following is not a step in the quality control process?
- a. define what is to be controlled.
- b. compare measurements to a standard.
- c. eliminate all defects found.
- d. take corrective action if necessary.
- e. evaluate corrective action.
Question 4. The optimum level of inspection is where the:
- a. cost of inspection is minimum.
- b. cost of passing defectives is minimum.
- c. total cost of inspection and defectives is maximum.
- d. total cost of inspection and defectives is minimum.
- e. difference in inspection and defectives costs is minimum.
Question 5. Which of the following is not a key way in which business organizations compete with one another?
- a. production cost.
- b. quality
- c. product duplication.
- d. flexibility
- e. time to perform certain activities.
Question 6. The purpose of control charts is to:
- a. estimate the proportion output that is acceptable.
- b. weed out defective items.
- c. determine if the output is within tolerances/specifications.
- d. distinguish between random variation and assignable variation in the process.
- e. none of these.