Answers(RATED A+)
True - ANSWERCorrelation measures the strength and direction of a relationship between variables
True - ANSWERThe Delphi approach involves the use of a series of questionnaires to achieve a
consensus forecast
True - ANSWERIn order to update a moving average forecast, the value of each data point in the
average must be known
False - ANSWERForecasts based on time-series (historical) data are referred to as associative
forecasts
True - ANSWERThe best forecast is not necessarily the most accurate
False - ANSWERMAD is equal to the square root of MSE, which is why we calculate the easier MSE
and then calculate the more difficult MAD
True - ANSWEROrganizations that are capable of responding quickly to changing requirements can
use a shorter forecast horizon and therefore benefit from more accurate forecasts
Smooth variations in the data - ANSWERMoving average forecasting techniques do the following:
MAPE - ANSWERPutting forecast errors into perspective is best done using
Second opinions - ANSWERForecasts based on judgment and opinion do not include:
True - ANSWERAn advantage of trend-adjusted exponential smoothing over the linear trend equation
is its ability to adjust over time to changes in the trend
True - ANSWERTrend-adjusted exponential smoothing requires selection of two smoothing constants
, True - ANSWERAn 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 - ANSWERWhich 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. - ANSWERWhich of the following is a potential shortcoming of
using sales force opinions in demand forecasting?
Demand forecasts - ANSWERWhich of the following is/are a primary input into capacity, sales, and
production planning?
True - ANSWERReliability can be improved by the use of backup components.
False - ANSWERTo save money, it is essential that designers revise the production capabilities to
meet the requirements of the new products.
False - ANSWERRobust design describes a product that will perform satisfactorily so long as it is used
in a very narrow range of conditions.
True - ANSWERA service blueprint is quite similar to an architectural drawing.
False - ANSWERA house of quality is achieved when no department in a single location has more
than 15 percent rejects.
True - ANSWERApplied research is the major R&D effort of business organizations because of their
desire for commercial applications.
False - ANSWERTaguchi design methods involve identifying the optimal operating or environmental
conditions for a given product.
True - ANSWERReliability can be defined in terms of a particular point in time or in terms of length of
service.