Instruction 12 -Referring to Instruction 12

question 162

Multiple Choice

Instruction 12.2
A chocolate bar manufacturer is interested in trying to estimate how sales are influenced by the price of their product. To do this, the company randomly chooses six country towns and cities and offers the chocolate bar at different prices. Using chocolate bar sales as the dependent variable, the company will conduct a simple linear regression on the data below:
$$\begin{array} { | l | l | l | } \hline \text { City } & \text { Price(\$) } & \text { Syles } \\\hline \text { Toowoomba } & 1.30 & 100 \\\hline \text { Broken Hill } & 1.60 & 50 \\\hline \text { Bendigo } & 1.80 & 50 \\\hline \text { Kalgoorlie } & 2.00 & 40 \\\hline \text { Launceston } & 2.40 & 38 \\\hline \text { Port Augusta } & 2.50 & 32 \\\hline\end{array}$$
-Referring to Instruction 12.2,what is the percentage of the total variation in chocolate bar sales explained by the regression model?

• A) 48.19%
• B) 100%
• C) 88.54%
• D) 78.39%

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Definitions:

Step-down Method

An allocation method used in cost accounting to distribute overhead costs to various cost centers and products in stages based on their usage of services.

Physical Plant Department

The division within an organization responsible for managing and maintaining the physical facilities, including buildings and grounds.

Space Occupied

The amount of physical area taken up by an object, person, or activity, typically measured in square feet or meters.

Step-down Method

The step-down method is an accounting practice used to allocate costs among departments, beginning with the highest cost pool.