Identify the Components of Simple Linear Regression Models and Discuss

question 32

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, find the value of the root mean square error for the given data.

• A) 8.10
• B) 91.27
• C) 11976.17
• D) 109.44

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Definitions:

Cardiovascular Disease

A general term for conditions affecting the heart or blood vessels, often leading to heart attacks or strokes.

CVD

Cardiovascular Disease, referring to conditions involving narrowed or blocked blood vessels that can lead to heart attack, chest pain, or stroke.

Cardiovascular Diseases

A class of diseases that involve the heart or blood vessels, often associated with atherosclerosis and risk factors like hypertension.

Metabolic Diseases

Disorders that affect the body's ability to convert food into energy, often involving the dysfunction of the biochemical pathways.