TABLE 13-2
a Candy Bar Manufacturer Is Interested in Trying

Multiple Choice

TABLE 13-2
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: $\begin{array}{llr} \underline {\text { City }}& \underline {\text { Price }}& \underline {\text { Sales}}\\\text { River Falls } & 1.30 & 100 \\\text { Hudson } & 1.60 & 90 \\\text { Ellsworth } & 1.80 & 90 \\\text { Prescott } & 2.00 & 40 \\\text { Rock Elm } & 2.40 & 38 \\\text { Stillwater } & 2.90 & 32\end{array}$
-Referring to Table 13-2, what is $\sum ( X - \bar { X } ) ^ { 2 }$ for these data?

A) 0
B) 1.66
C) 2.54
D) 25.66