For a Given Product Demand, the Time-Series Trend Equation Is

question 86

Multiple Choice

For a given product demand, the time-series trend equation is 53 - 4x. The negative sign on the slope of the equation:

• A) is a mathematical impossibility.
• B) is an indication that the forecast is biased, with forecast values lower than actual values.
• C) is an indication that product demand is declining.
• D) implies that the coefficient of determination will also be negative.
• E) implies that the cumulative error will be negative.