Find the Value of the Linear Correlation Coefficient $r$ the Paired Data Below Consist of the Costs of the Paired

question 47

Multiple Choice

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) :
$\begin{array}{l|r|r|r|r|r|r|r|r}\text { Cost } & 9 & 2 & 3 & 4 & 2 & 5 & 9 & 10 \\\hline \text { Number } & 85 & 52 & 55 & 68 & 67 & 86 & 83 & 73\end{array}$

• A) \(- 0.071\)
• B) \(0.708\)
• C) \(0.235\)
• D) \(0.246\)

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