In Trend Projection A Negative Regression Slope Is Mathematically Impossible
Question: A naive forecast for September sales of a product would be equal to the forecast for August.
Answer: FALSE
Question: The forecasting time horizon and the forecasting techniques used to vary over the life cycle of a product.
Answer: TRUE
Question: Demand (sales) forecasts serve as inputs to financial, marketing, and personnel planning.
Answer: TRUE
Question: Forecasts of individual products tend to be more accurate than forecasts of product families.
Answer: FALSE
Question: Most forecasting techniques assume that there is some underlying stability in the system.
Answer: TRUE
Question: The sales force composite forecasting method relies on salespersons’ estimates of expected sales.
Answer: TRUE
Question: A time-series model uses a series of past data points to make the forecast
Answer: TRUE
Question: The quarterly “make meeting” of Lexus dealers is an example of a sales force composite forecast.
Answer: TRUE
Question: Cycles and random variation are both components of time series.
Answer: TRUE
Question: A naive forecast for September sales of a product would be equal to the sales in August.
Answer: TRUE