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

question 14

Multiple Choice

Use the data given below to answer the following question(s) .
The worldwide sales of cars from 1981-1990 are shown in the table below.Given: α = 0.2 and γ = 0.05.(Hint: Use XLMiner) .
$\begin{array}{|c|c|}\hline \text { Year } & \begin{array}{c}\text { Units sold in } \\\text { thousands }\end{array} \\\hline 1 & 750 \\\hline 2 & 823 \\\hline 3 & 1034 \\\hline 4 & 1945 \\\hline 5 & 1556 \\\hline 6 & 1300 \\\hline 7 & 1346 \\\hline 8 & 1150 \\\hline 9 & 967 \\\hline 10 & 1200 \\\hline\end{array}$
-If the given time series has a trend and seasonality, the most appropriate forecasting model to determine the forecast of the time series is the ________ model.

• A)multiple regression
• B)Holt-Winters no trend smoothing
• C)double exponential smoothing
• D)Holt-Winters multiplicative

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