Site MapHelpFeedbackMultiple Choice Quiz
Multiple Choice Quiz
(See related pages)

1
Which phrase most closely describes the Delphi forecasting technique?
A)consumer survey
B)random individual opinions
C)group of expert's opinions
D)test markets
E)historic data
2
Which of the following statements are true about time-series forecasting?
A)Time series analysis is based on the idea that the history of occurrences over time can be used to predict the future.
B)Time series analysis tries to understand the system underlying and surrounding the item being forecast.
C)Under time-series methods, demand is divided into the time-based components such as daily, weekly, etc.
D)Time series methods are useful for long-range forecasts when the demand pattern is erratic
E)A, 6, and C
3
Under exponential smoothing, if we want our forecast to be very responsive to recent demand, the value of alpha should be:
A)large
B)small
C)moderate
D)zero
E)the value of alpha doesn't matter
4
Given that the previous forecast of 65 turned out to be four units less than the actual demand. The next forecast is 66. What would be the value of alpha if the simple exponential smoothing forecast method is being used?
A)0.02
B)O.4
C)0.04
D)0.25
E)none of the above
5
Which of the following would not be classified as a component of demand?
A)Trend
B)Seasonality
C)Cycle
D)Autocorrelation
E)Causal variation
6
An accuracy measure that may be used to indicate any positive or negative bias in the forecast is:
A)Tracking signal
B)Mean absolute deviation
C)Mean squared error
D)Standard error
E)None of the above





To learn more about the book this website supports, please visit its Information Center.
(c)2008 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.


Operations and Supply MgmtOnline Learning Center

Home > Chapter 10 > Multiple Choice Quiz