Identify the Components of Simple Linear Regression Models and Discuss

question 40

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) . $$\begin{array} { | l | l | } \hline\begin{array} { l } \text { Height } \\\text { (ft) }\end{array} & \text { Cost (\$) } \\\hline 4 & 670 \\\hline 3 & 430 \\\hline 7 & 810 \\\hline 9 & 1100 \\\hline 6 & 790 \\\hline 8 & 880 \\\hline 5 & 760 \\\hline 11 & 1200 \\\hline\end{array}$$
-What is the value of the coefficient b1?

• A) 86.81704
• B) 254.8371
• C) 0.010697
• D) -2.14625

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Definitions:

Performance

The act of carrying out a task or the achievement of a task against predefined standards, metrics, or expectations.

Hindrance Stressor

Refers to stress-causing factors that are perceived as obstacles to progress, potentially leading to frustration and hindering personal or professional development.

Job Complexity

The degree to which a job requires a variety of skills and abilities, and the extent to which tasks are varied and complicated.

Workload

The amount of work assigned to or expected from a person within a given time period.