Use the Following to Answer Questions 5 - 8 -Using the Estimated Regression Equation,
A

question 34

Essay

Use the following to answer questions 5 - 8.
A small independent organic food store offers a variety of specialty coffees. To
determine whether price has an impact on sales, the managers kept track of how many
pounds of each variety of coffee were sold last month. The data, scatterplot and
summary statistics are shown below. $$\begin{array}{l}\begin{array} { | l | l | l | } \hline & \text { PRICE PER POUND } & \text { POUNDS SOLD } \\\hline & \$ 3.99 & 75 \\\hline & \$ 5.99 & 60 \\\hline & \$ 7.00 & 65 \\\hline & \$ 12.00 & 45 \\\hline & \$ 4.50 & 80 \\\hline & \$ 7.50 & 70 \\\hline & \$ 15.00 & 25 \\\hline & \$ 10.00 & 35 \\\hline & \$ 12.50 & 40 \\\hline & \$ 8.99 & 50 \\\hline & & \\\hline \text { Mean } & \$ 8.75 & 54.50 \\\hline \text { Standard Deviation } & \$ 3.63 & 18.33 \\\hline & & \\\hline \text { Correlation } & - 0.927 & \\\hline\end{array}\\\end{array}$$


-Using the estimated regression equation,
a. Estimate the monthly sales for a variety of coffee that costs $12 per pound.
b. What is the residual for this estimate?
What does it mean?

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Definitions:

Labor Market

A trading area where job seekers and employers meet, defined by labor supply and demand.

Wage Rate

Wage Rate is the standard amount of compensation for labor, paid on an hourly, daily, or piecework basis.

Labor Hired

The process of employing individuals to perform various tasks within a business or organization.

Inputs Employed

The resources, including labor, capital, and materials, used in the production of goods and services.