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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Definitions:

Screws

Fasteners with a threaded shaft designed to hold objects together or to position them.

Threaded

Describes the process or the characteristic of incorporating threads for parallel execution in programming or mechanical connections.

Metallic

Pertaining to metals, their properties, characteristics, or appearance.

Necessary Condition

A condition that must be present for an event or statement to be true or to occur.