In what area does General Motors earn its highest return on capital? selling cars selling logo merchandise financing selling racing post-sales parts and service
A key feature of scientific management is that workers are limited only by ______. machiner y co-workers their job description their tools their physical ability
Decisions regarding which of the following are not part of the production process structure? management policies facilitie s robots flow of goods and services through the facility flexible manufacturing system (FMS) machines
Suppose that a plant has a daily productivity of 0.85 parts per employee? What can we conclude? the plant must be very labor-intensive the plant is not earning profits the plant must be highly automated the plant should lay off workers nothin g
Highly labor intensive services are called _ . pure services mixed services mixed manufacturing quasimanufacturing quasiservices
What is a type of automation system that provides the flexibility of intermittent operations with the efficiency of repetitive operations? CA D AG V AS/RS FM S CA M
Which of the following is not an argument in favor of having multiple suppliers? The Just-in-time philosophy can be better utilized. Supplier capacity is less important. Volume flexibility is obtained. Risks may be spread. New suppliers may more easily be tested.
A constant concern within purchasing departments is the issue of ethics in managing ___. customer s web sites inventor y supplier s entry-level employees
Increases in international trade during the 1980s created a need for the development of __ standards of quality. universa l countryspecific lowe r metri c bilingua l
For a cause-and-effect diagram, causes could be related to all of the following except Analysi s Material s Measurement s Machine s Workers
What are preset ranges of acceptable quality characteristics? Control limits. Product specifications. Six-sigma limits. AQC limits. R-chart limits.
What measures the central tendency of a set of data? Coefficient of variation Variance Standard deviation Mea n Rang e
Causes of variation that can be identified and eliminated are called what? Rando m Assignabl e Identifiable Stochasti c Commo n
What are the two types of control charts for attributes? p and c x-bar and p x-bar and R R and c p and R
The Six Sigma approach is organized around a plan known as _. four step, PDAC four step, DMAC five step PDACR five step DMAIC five step, DMCRA
With JIT a company’s relationship with its suppliers includes Competitive bidding Being in partnership with them Buying parts from the cheapest supplier Short-term relationships Having as many suppliers as possible
Quality in just-in-time is centered on building quality into the Product Maintenance of equipment Proces s Distribution system Workforce
What is the term for an adjustment of a machine after making one product type so that production can begin for another product type? Level assembly schedule Group technology Setu p Cycle time Automatio n
One of the greatest benefits of JIT would be increasing waste and improving responsiveness longer lead times and increased productivity decreased machine utilization and improved quality competing based on schedules eliminating waste, improving responsiveness and competing based on time
The role of production employees in JIT includes all of the following except Be actively engaged in improving the production process Monitor quality Record data Follow clearly defined and limiting work rules Act on the information they have
The OM supervisor informs you, the researcher, that the data has a large standard deviation. What data pattern would you expect to observe once you generated a time series trend? horizonta l seasona l positive/negative trend cycl e insufficient information to derive a valid response
Which of the following is a causal forecasting method? Naïv e Moving average Weighted moving average Trend adjusted exponential smoothing Linear regression
What does the linear regression line do? Minimizes sum of errors Minimizes product of squared errors Minimizes sum of squared errors Minimizes product of errors Minimizes sum of absolute value of errors
Qualitative forecasting methods are made objectively by the forecaster are made subjectively by the forecaster are made using existing data sources are based on mathematical models are only used in parallel with quantitative models
Suppose that you are using the four-period simple moving average method to forecast sales, and sales have been decreasing by 10% every period. How will your forecasts perform? Forecasts will be lower than actual. Forecasts will be higher than actual. Forecasts will equal actual. Forecasts will be increasing. Forecasts will be decreasing by 2.5% every period.
