Write and Interpret a Linear Regression Equation A) 95459
B)

question 25

Multiple Choice

Write and interpret a linear regression equation.
-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. Based on the data and summary
Statistics shown below, the slope of the estimated regression line that relates the response
Variable (monthly sales) to the predictor variable (price per pound) is $$\begin{array} { | l | l | l | } \hline & \text { PRICE PER POUND } & \text { POUNDS SOLD } \\\hline & \$ 3.99 & 75 \\\hline & \$ 5.99 & 60 \\\hline & \$ 7.00 & 65 \\\hline & \$ 12.00 & 45 \\\hline & \$ 4.50 & 80 \\\hline & \$ 7.50 & 70 \\\hline & \$ 15.00 & 25 \\\hline & \$ 10.00 & 35 \\\hline & \$ 12.50 & 40 \\\hline & \$ 8.99 & 50 \\\hline & & \\\hline \text { Mean } & \$ 8.75 & 54.50 \\\hline \text { Standard Deviation } & \$ 3.63 & 18.33 \\\hline \text { Correlation } & \mathbf { - 0 . 9 2 7 } & \\\hline\end{array}$$

• A) 95.459.
• B) .858.
• C) -4.681.
• D) -.858.
• E) -8.999.

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Definitions:

Cognitive Confusion

A state of being perplexed or puzzled, often resulting from unclear or conflicting information.

Cognitive Confusion

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