Identify the Components of Simple Linear Regression Models and Discuss

question 42

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) .
Following is an extract from the database of a construction company. The table shows the height of walls in feet and the cost of raising them. The estimated simple linear regression equation is given as Ŷ = b0 + b1X. (Hint: Use Excel functions) . $$\begin{array} { | l | l | } \hline\begin{array} { l } \text { Height } \\\text { (ft) }\end{array} & \text { Cost (\$) } \\\hline 4 & 670 \\\hline 3 & 430 \\\hline 7 & 810 \\\hline 9 & 1100 \\\hline 6 & 790 \\\hline 8 & 880 \\\hline 5 & 760 \\\hline 11 & 1200 \\\hline\end{array}$$
-Which of the following statements is true when using the Excel Regression tool?

• A) The range for the independent variable values must be specified in the box for the Input Y Range.
• B) Checking the option Constant is Zero forces the intercept to zero.
• C) The Regression tool can be found in the Tools tab under Insert group.
• D) Adding an intercept term reduces the analysis' fit to the data.

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Definitions:

Competition

The rivalry among businesses or individuals for resources, recognition, or market dominance, which can drive innovation and efficiency.

Land and Freedom

Can refer to a political or social movement advocating for land reform, or the title of various historical works and movements seeking equitable distribution of land.

Revolutionary

A revolutionary is an individual or group that advocates for or participates in a dramatic and significant change, particularly in political, social, or economic structures.