Identify the Components of Simple Linear Regression Models and Discuss

question 4

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 estimated cost of raising a 10-inch wall?

• A) 1505.786
• B) 1103.578
• C) 968.6109
• D) 1123.008

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Definitions:

Overapplied

Refers to a condition where the overhead costs allocated exceed the actual costs incurred, similar to overapplied overhead but more general.

Manufacturing Overhead

Indirect costs related to manufacturing that are not directly tied to a specific product, like maintenance, utilities, and management salaries.

Cost of Goods Sold

The immediate expenses related to manufacturing products sold by a business, encompassing both materials and labor.

Overapplied

Refers to the situation where the allocated manufacturing overhead cost is greater than the actual manufacturing overhead cost incurred.