1. Which time-series model below assumes that demand in the next period will be equal to the most recent period's demand?
a. naive approach
b. moving average approach
c. weighted moving average approach
d. exponential smoothing approach
e. none of the above
2. An operations manager's ethical responsibilities
a. are limited to the production phase of product life cycle
b. are limited to following published laws and regulations
c. extend from design, to production, to final destruction/disposition of a product
d. do not include being efficient with the firm's resources
e. need not consider a product design's impact on the entire economy
3. Which of the four major categories of quality costs is particularly hard to quantify?
a. prevention costs
b. appraisal costs
c. internal failure costs
d. external failure costs
e. None is hard to quantify.
4. The type of layout which features departments or other functional groupings in which similar activities are performed is
a. process-oriented
b. product-oriented
c. fixed-position
d. mass production
e. unit production