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

Question

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

Quizplus · Accepted Answer

The linear correlation coefficient r measures the strength and direction of a linear relationship between two variables. Calculating r for the given data results in approximately 0.708, indicating a moderate positive correlation.

Find the Value of the Linear Correlation Coefficient R A) 0235 B) 0

Find the Value of the Linear Correlation Coefficient R A) 0235
B) 0