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:

Income Inequality

The unequal distribution of income within a population, leading to gaps between the wealthiest and poorest individuals.

Social Inequality

The existence of unequal opportunities and rewards for different social positions or statuses within a group or society.

Industrialization

The process of transforming economies from primarily agricultural to one based on the manufacturing of goods, characterized by the use of industrial technology and mass production methods.

Global Inequality

The unequal distribution of resources, wealth, and opportunities across different countries and populations worldwide.