Find the Value of the Linear Correlation Coefficient R A) 0246
B) -0

question 143

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

---

Definitions:

Vasculature

The arrangement or system of blood vessels in an organism, including arteries, veins, and capillaries.

Arterial System

The arterial system is the part of the circulatory system that carries oxygen-rich blood from the heart to all parts of the body.

Leukemia

A type of cancer that affects the blood and bone marrow, characterized by an overproduction of abnormal white blood cells.

Certain Malignancies

Specific types of cancer that have been identified or diagnosed, implying a particular focus or context.