Identify the Components of Simple Linear Regression Models and Discuss

question 11

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) $$\begin{array} { | c | c | } \hline \text { Year } & \begin{array} { c } \text { Units sold in } \\\text { thousands }\end{array} \\\hline 1981 & 888 \\\hline 1982 & 900 \\\hline 1983 & 1000 \\\hline 1984 & 1200 \\\hline 1985 & 1100 \\\hline 1986 & 1300 \\\hline 1987 & 1250 \\\hline 1988 & 1150 \\\hline 1989 & 1100 \\\hline 1990 & 1200 \\\hline\end{array}$$
-Calculate the value of the mean absolute percentage error using double exponential smoothing for the given data.

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

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Definitions:

Political Decision-Makers

Individuals or bodies responsible for making policies and decisions that guide the political direction of a country, region, or organization.

Well-being

The state of being comfortable, healthy, or happy; often considered in terms of physical, psychological, and social aspects.

Economic Theory

A set of principles and concepts that helps to explain economic behavior and predict future patterns.

Competitive Situation

A market scenario in which multiple businesses offer similar products or services and compete for the same customers.