Use the Data Given Below to Answer the Following Question(s)

question 87

Multiple Choice

Use the data given below to answer the following question(s) .
The table below shows the car sales from the year 2002-2007.The forecaster assumes a smoothing constant of 0.8 and uses the exponential smoothing model to determine the forecast for the future.
-In the double exponential smoothing model F_t+k = a_t + b_tk,identify the value that signifies the trend.

• A)a_t
• B)F_t+k
• C)k
• D)b_t

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Definitions:

Explanatory Variable

A type of variable in statistical modeling that is used to explain variations in the dependent variable; it is also known as an independent variable.

Quantitative Variables

Variables that represent numerical amounts or quantities, which can be measured and expressed numerically.

Associated

Pertains to the connection or relationship between two or more variables or factors.

Response Variable

The outcome or variable of interest that is measured or observed in a study, experiment, or analysis to see how it is affected by explanatory variables.