The Manager of a Fast Food Restaurant Wants to Determine

question 62

Essay

The manager of a fast food restaurant wants to determine how sales in a given week are related to the number of discount vouchers (#) printed in the local newspaper during the week. The number of vouchers and sales ($000s) from 10 randomly selected weeks is given below with Excel regression output. $$\begin{array} { | c | c | } \hline \text { Number of vouchers } & \text { Sales } \\\hline 4 & 12.8 \\\hline 7 & 15.4 \\\hline 5 & 13.9 \\\hline 3 & 11.2 \\\hline 19 & 18.7 \\\hline 10 & 17.9 \\\hline 8 & 16.8 \\\hline 6 & 15.9 \\\hline 3 & 11.5 \\\hline 5 & 13.9 \\\hline\end{array}$$ Identify possible outliers.

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Definitions:

Fixed Costs

Costs that do not fluctuate with the level of production or sales, such as rent, salaries, and insurance premiums.

Variable Costs

Expenses that change in proportion to the level of production or business activity, such as materials, labor, and energy costs.

Process-Focused

An approach emphasizing the importance of processes in achieving a company's objectives, often through continuous improvement and optimization of workflows.

Repetitive Manufacture

A manufacturing process characterized by the continuous production of high volumes of the same product or component.