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:

Lactose Tolerance

The ability of adults to digest lactose, a sugar found in milk, due to the continued activity of the enzyme lactase.

Social Nature

The inherent inclination of humans to seek connections and interactions with others, forming communities and societies.

Social Barriers

Obstacles within a society that prevent individuals or groups from accessing resources, opportunities, or rights, typically based on socio-economic, racial, or gender differences.

Luo Father

A term specific to the Luo community or cultural context, likely referring to a male parental figure or leadership position within the Luo people, an ethnic group in East Africa.