MSIS 3223 Exam #2| 80 Questions and
Answers 100% Correct
True - ANSWER-Correlation measures the strength and direction of a relationship
between variables
True - ANSWER-The Delphi approach involves the use of a series of questionnaires to
achieve a consensus forecast
True - ANSWER-In order to update a moving average forecast, the value of each data
point in the average must be known
False - ANSWER-Forecasts based on time-series (historical) data are referred to as
associative forecasts
True - ANSWER-The best forecast is not necessarily the most accurate
False - ANSWER-MAD is equal to the square root of MSE, which is why we calculate
the easier MSE and then calculate the more difficult MAD
True - ANSWER-Organizations that are capable of responding quickly to changing
requirements can use a shorter forecast horizon and therefore benefit from more
accurate forecasts
True - ANSWER-An advantage of trend-adjusted exponential smoothing over the linear
trend equation is its ability to adjust over time to changes in the trend
True - ANSWER-Trend-adjusted exponential smoothing requires selection of two
smoothing constants
True - ANSWER-An advantage of a weighted moving average is that recent actual
results can be given more importance than what occurred a while ago.
Time series analysis - ANSWER-Which of the following is not a type of judgmental
forecasting?
Members of the sales force can have difficulty distinguishing between what customers
would like to do and what they actually will do. - ANSWER-Which of the following is a
potential shortcoming of using sales force opinions in demand forecasting?
Demand forecasts - ANSWER-Which of the following is/are a primary input into
capacity, sales, and production planning?
, False - ANSWER-The term failure as applied to reliability means that a part or item
does not function at all.
True - ANSWER-Applied research has the objective of achieving commercial
applications for new ideas.
False - ANSWER-The process of dismantling and inspecting a competitor's product to
discover product improvement is called benchmarking.
Smooth variations in the data - ANSWER-Moving average forecasting techniques do
the following:
MAPE - ANSWER-Putting forecast errors into perspective is best done using
Second opinions - ANSWER-Forecasts based on judgment and opinion do not include:
True - ANSWER-Reliability can be improved by the use of backup components.
False - ANSWER-To save money, it is essential that designers revise the production
capabilities to meet the requirements of the new products.
False - ANSWER-Robust design describes a product that will perform satisfactorily so
long as it is used in a very narrow range of conditions.
True - ANSWER-A service blueprint is quite similar to an architectural drawing.
False - ANSWER-A house of quality is achieved when no department in a single
location has more than 15 percent rejects.
True - ANSWER-Applied research is the major R&D effort of business organizations
because of their desire for commercial applications.
False - ANSWER-Taguchi design methods involve identifying the optimal operating or
environmental conditions for a given product.
True - ANSWER-Reliability can be defined in terms of a particular point in time or in
terms of length of service.
True - ANSWER-The demand for a product and the rate of technological change have a
significant impact on the length of a given phase of the product life cycle.
True - ANSWER-Product liability means that a manufacturer is liable for any injuries or
damages caused by a faulty product because of poor workmanship or design.
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