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:

Thoracic Cage

Also known as the rib cage, it encloses and protects the organs of the thorax, including the heart and lungs, while providing support for the shoulder girdle.

Vertebral Column

The backbone or spine, consisting of a series of vertebrae that protect the spinal cord and provide structural support.

Skull

The bony structure forming the head, supporting the structures of the face and protecting the brain.

Zygomatic Arch

The arch of bone that forms from the temporal process of the zygomatic bone and the zygomatic process of the temporal bone, creating the prominence of the cheek.