TABLE 13-2
a Candy Bar Manufacturer Is Interested in Trying

question 48

Multiple Choice

TABLE 13-2
A candy 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 6 small cities and offers the candy bar at different prices. Using candy bar sales as the dependent variable, the company will conduct a simple linear regression on the data below:
$$\begin{array} { l l c } \hline \text { City } & \text { Price } ( \$ ) & \text { Sales } \\\hline \text { River Falls } & 1.30 & 100 \\\text { Hudson } & 1.60 & 90 \\\text { Ellsworth } & 1.80 & 90 \\\text { Prescott } & 2.00 & 40 \\\text { Rock Elm } & 2.40 & 38 \\\text { Stillwater } & 2.90 & 32 \\\hline\end{array}$$
-Referring to Table 13-2, what percentage of the total variation in candy bar sales is explained by prices?

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

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Definitions:

Fixed Expenses

Expenses that do not change with the level of production or sales within a certain range and period, such as rent, salaries, and insurance.

Break-Even Sales

The amount of sales revenue needed to cover all fixed and variable costs, resulting in no profit or loss.

Variable Production Costs

Costs that fluctuate directly with the level of output, including materials, labor, and other expenses that vary with production volume.

Fixed Cost

Expenses that remain constant in total regardless of changes in the level of production or sales volume, such as rent, salaries, and insurance.