Identify the Components of Simple Linear Regression Models and Discuss

question 22

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 generates a scatter chart in Excel with the values predicted by the regression model included?

• A) Trendline
• B) Residual Plots
• C) R Square
• D) Line Fit Plots

---

Definitions:

Quality Issues

Problems associated with the inability of a product or service to meet specified standards or expectations.

Learning Organisations

Companies that continuously facilitate the learning of their members and transform themselves accordingly.

Vendors

Companies or individuals that sell goods or services to consumers or other businesses.

Value-Driven Culture

An organizational culture that emphasizes and prioritizes core values in its decision-making, behavior, and strategy, fostering a unified and principled workforce.