The Manager of a Fast Food Restaurant Wants to Determine

question 181

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. $$\begin{array} { | c | c | } \hline \text { Number of vo uchers } & \text { Sales } \\\hline 4 & 12.8 \\\hline 7 & 15.4 \\\hline 5 & 13.9 \\\hline 3 & 11.2 \\\hline 19 & 18.7 \\\hline 10 & 17.9 \\\hline 8 & 16.8 \\\hline 6 & 15.9 \\\hline 3 & 11.5 \\\hline 5 & 13.9 \\\hline\end{array}$$ a. Write down the regression equation
b. Interpret the slope.

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Definitions:

Primary Mental Abilities

Fundamental cognitive skills including numerical and verbal abilities, spatial relations, and memory that are thought to be essential for intelligence.

Inductive Reasoning

Type of logical reasoning that moves from particular observations about members of a class to a general conclusion about that class.

Emotions

Subjective reactions to experience that are associated with physiological and behavioral changes.

Health

The state of complete physical, mental, and social well-being, not merely the absence of disease or infirmity.