A Small Independent Organic Food Store Offers a Variety of Specialty

Multiple Choice

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. $$\begin{array} { | l | l | l | } \hline & \text { PRICE PER POUND } & \text { POUNDS SOLD } \\\hline & \$ 3.99 & 75 \\\hline & \$ 5.99 & 60 \\\hline & \$ 7.00 & 65 \\\hline & \$ 12.00 & 45 \\\hline & \$ 4.50 & 80 \\\hline & \$ 7.50 & 70 \\\hline & \$ 15.00 & 25 \\\hline & \$ 10.00 & 35 \\\hline & \$ 12.50 & 40 \\\hline \text { Mean } & \$ 8.99 & 50 \\\hline \text { Standard } & & \\\hline \text { Deviation } & \$ 3.63 & 54.50 \\\hline & & 18.33 \\\hline\end{array}$$ 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

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