Identify the Components of Simple Linear Regression Models and Discuss

question 16

Multiple Choice

Identify the components of simple linear regression models and discuss their applications 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 β
= 0.15 (Hint: Use XLMiner) $$\begin{array} { | c | c | } \hline \text { Year } & \begin{array} { c } \text { Units sold in } \\\text { thousands }\end{array} \\\hline 1981 & 888 \\\hline 1982 & 900 \\\hline 1983 & 1000 \\\hline 1984 & 1200 \\\hline 1985 & 1100 \\\hline 1986 & 1300 \\\hline 1987 & 1250 \\\hline 1988 & 1150 \\\hline 1989 & 1100 \\\hline 1990 & 1200 \\\hline\end{array}$$
-Using the double exponential smoothing, calculate the value of the mean absolute deviation for the given data.

• A) 8.10
• B) 1.80
• C) 91.27
• D) 11976.17

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Definitions:

Consumption

The act of using goods and services to satisfy needs or desires.

Price

The financial valuation expected, obligatory, or handed in exchange for something.

Nonlabor Income

Income received that does not come from working, such as interest from savings, dividends from investments, or government benefits.

Leisure

Free time spent away from work and compulsory activities, often devoted to relaxation, hobbies, and personal enjoyment.