SCENARIO 12-2
a Candy Bar Manufacturer Is Interested in Trying

Multiple Choice

SCENARIO 12-2
A candy bar manufacturer is interested in trying to estimate how sales are influenced by the price of their product.To do this, the company randomly chooses 6 small cities and offers the candy bar at different prices.Using candy bar sales as the dependent variable, the company will conduct a simple linear regression on the data below: $\begin{array}{llr}\text { City }&\text { Price(\$) }&\text { Sales }\\\text { River Falls } & 1.30 & 100 \\\text { Hudson } & 1.60 & 90 \\\text { Ellsworth } & 1.80 & 90 \\\text { Prescott } & 2.00 & 40 \\\text { Rock Elm } & 2.40 & 38 \\\text { Stillwater } & 2.90 & 32\end{array}$
-Referring to Scenario 12-2, what is the estimated mean change in the sales of the candy bar if price goes up by $1.00?

A) 161.386
B) 0.784
C) - 3.810
D) - 48.193