Identify the Components of Simple Linear Regression Models and Discuss

question 29

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) $$\begin{array} { | c | c | } \hline \text { Year } & \begin{array} { c } \text { Units sold in } \\\text { thousands }\end{array} \\\hline 1981 & 888 \\\hline 1982 & 900 \\\hline 1983 & 1000 \\\hline 1984 & 1200 \\\hline 1985 & 1100 \\\hline 1986 & 1300 \\\hline 1987 & 1250 \\\hline 1988 & 1150 \\\hline 1989 & 1100 \\\hline 1990 & 1200 \\\hline\end{array}$$
-For the given data, what is the sales forecast for the year 1992 (in thousands) ?

• A) 1256.87
• B) 1317.91
• C) 1285.74
• D) 1350.08

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Definitions:

Concentrated Energy

Energy that is intensified or focused within a small area or volume, often for the purpose of efficient transmission or usage.

Usable Energy

Energy in a form that can be directly applied to perform work or be processed into a form suitable for human needs, such as electricity or mechanical power.

Energy Transformation

The process of converting energy from one form to another, such as kinetic energy to electrical energy, fundamental to various natural phenomena and technologies.

Low-Quality Heat

Thermal energy that is at a temperature unsuitable or inefficient for conversion into work or other high-value energy forms.