Solve the Problem Using Your Calculator A) -0071
B) 0

Short Answer

Solve the problem using your calculator.
-The paired data below consist of the costs of advertising (in thousands of dollars)and the number of products sold (in thousands). What is the correlation coefficient? $\begin{array} { c | r r r r r r r r } \text { Cost } & 9 & 2 & 3 & 4 & 2 & 5 & 9 & 10 \\\hline \text { Number } & 85 & 52 & 55 & 68 & 67 & 86 & 83 & 73\end{array}$
A) -0.071
B) 0.246
C) 0.235
D) 0.708