Work breakdown structure is a useful tool in project management because it addresses the timing of
individual work elements. - Answers False
A project organization: - Answers is effective for companies with multiple large projects.
Activity R on a CPM network has predecessors M and N, and has successor S. R has duration 5. N's late
finish is 18, while M's is 20. S's late start is 14. Which of the following is definitely true? - Answers The
set of times cannot all be possible.
A local project being analyzed by PERT has 42 activities, 13 of which are on the critical path. If the
estimated time along the critical path is 105 days with a project variance of 25, what is the probability
that the project will be completed in 95 days or less? - Answers 0.0228
One advantage of exponential smoothing is the limited amount of record keeping involved. - Answers
True
The forecasting technique that pools the opinions of a group of experts or managers is known as: -
Answers jury of executive opinion.
Increasing the number of periods in a moving average will accomplish greater smoothing, but at the
expense of: - Answers sensitivity to real changes in the data.
The last four weekly values of sales were 80, 100, 105, and 90 units. The last four forecasts were 60,
80, 95, and 75 units. These forecasts illustrate: - Answers bias.
The production process at Hard Rock Cafe does NOT include which of the following activities? -
Answers advertising
Which of these is NOT one of the basic functions of the management process? - Answers inspecting
The service sector constitutes what percentage of employment in the United States? - Answers
between 80% to 90%
Which of the following is NOT a reason why domestic business operations decide to change to some
form of international operation? - Answers attract and retain local talent
The creation of a unique advantage over competitors is referred as - Answers competitive advantage.
A way to identify those elements in the product/service chain that uniquely add value is referred to as
- Answers value-chain analysis.
Which of the following is the Japanese term used to describe continuous improvement efforts? -
Answers kaizen
Which of the following TQM tools would be best suited for displaying the number of students
majoring in each business discipline? - Answers histogram
What is the reasoning behind setting the upper and lower control limits
±3σx
from the mean - Answers We know that 99.73% of natural variation is contained within
±3σx,
and thus any data point outside of the limits is likely due to assignable variation
What is the probability of accepting a bad lot? - Answers type II error (beta)
Efficiency is given by - Answers actual output divided by effective capacity.
Which of the following approaches makes new capacity a larger increase at the beginning of the
period? - Answers leading demand with a one-step expansion
A process focused facility is - Answers a production facility organized around specific activities.
A project organization works best for an organization when the project resides in only one of its
functional areas. - Answers False
Which of the following statements regarding CPM is true? - Answers All activities on the critical path
have their LS equal to the maximum EF of all immediate predecessors.
Mean squared error and exponential smoothing are two measures of the overall error of a forecasting
model. - Answers False
Which of the following uses three types of participants: decision makers, staff personnel, and
respondents? - Answers Delphi method
Which of the following statements comparing exponential smoothing to the weighted moving
average technique is TRUE? - Answers Exponential smoothing typically requires less record keeping of
past data.
If two variables were perfectly correlated, what would the coefficient of correlation r equal? -
Answers B or C