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

question 9

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

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

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Definitions:

Editing

The process of reviewing and correcting written material to improve clarity, readability, and overall quality before publication.

Audience

The group of people for whom a piece of writing, a message, or a performance is intended.

Delivering

The process of taking goods, messages, or other items to the people who are meant to receive them.

Document

Refers to a written, typed, or electronic piece of information that provides evidence, records, or information on a particular topic, subject, or event.