SDS 3115 EXAM SCRIPT 2026
QUESTIONS WITH ANSWERS GRADED
A+
◉ The forecasting time horizon and the forecasting techniques used
to vary over the life cycle of a product. Answer: TRUE
◉ Demand (sales) forecasts serve as inputs to financial, marketing,
and personnel planning. Answer: TRUE
◉ Forecasts of individual products tend to be more accurate than
forecasts of product families. Answer: FALSE
◉ Most forecasting techniques assume that there is some
underlying stability in the system. Answer: TRUE
◉ The sales force composite forecasting method relies on
salespersons' estimates of expected sales. Answer: TRUE
◉ A time-series model uses a series of past data points to make the
forecast Answer: TRUE
, ◉ The quarterly "make meeting" of Lexus dealers is an example of a
sales force composite forecast. Answer: TRUE
◉ Cycles and random variation are both components of time series.
Answer: TRUE
◉ A naive forecast for September sales of a product would be equal
to the sales in August. Answer: TRUE
◉ One advantage of exponential smoothing is the limited amount of
record keeping involved. Answer: TRUE
◉ The larger the number of periods in the simple moving average
forecasting method, the greater the method's responsiveness to
changes in demand. Answer: FALSE
◉ Forecast including trend is an exponential smoothing technique
that utilizes two smoothing constants: one for the average level of
the forecast and one for its trend. Answer: TRUE
◉ Mean squared error and Coefficient of Correlation are two
measures of the overall error of a forecasting model. Answer: FALSE
◉ In trend projection, the trend component is the slope of the
regression equation. Answer: TRUE
QUESTIONS WITH ANSWERS GRADED
A+
◉ The forecasting time horizon and the forecasting techniques used
to vary over the life cycle of a product. Answer: TRUE
◉ Demand (sales) forecasts serve as inputs to financial, marketing,
and personnel planning. Answer: TRUE
◉ Forecasts of individual products tend to be more accurate than
forecasts of product families. Answer: FALSE
◉ Most forecasting techniques assume that there is some
underlying stability in the system. Answer: TRUE
◉ The sales force composite forecasting method relies on
salespersons' estimates of expected sales. Answer: TRUE
◉ A time-series model uses a series of past data points to make the
forecast Answer: TRUE
, ◉ The quarterly "make meeting" of Lexus dealers is an example of a
sales force composite forecast. Answer: TRUE
◉ Cycles and random variation are both components of time series.
Answer: TRUE
◉ A naive forecast for September sales of a product would be equal
to the sales in August. Answer: TRUE
◉ One advantage of exponential smoothing is the limited amount of
record keeping involved. Answer: TRUE
◉ The larger the number of periods in the simple moving average
forecasting method, the greater the method's responsiveness to
changes in demand. Answer: FALSE
◉ Forecast including trend is an exponential smoothing technique
that utilizes two smoothing constants: one for the average level of
the forecast and one for its trend. Answer: TRUE
◉ Mean squared error and Coefficient of Correlation are two
measures of the overall error of a forecasting model. Answer: FALSE
◉ In trend projection, the trend component is the slope of the
regression equation. Answer: TRUE
