Find the Value of the Linear Correlation Coefficient R A) $0.708$

question 16

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

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

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Definitions:

Capsules

In biology, a membranous structure that encloses certain organs or parts; in medicine, a solid dosage form in which the drug is enclosed within either a hard or soft soluble container or shell.

Single Carpel

Pertains to a single unit of the female reproductive part of a flower, encompassing the ovary, style, and stigma.

Sutures

Stitched joints between the bones of the skull, allowing for growth during infancy and becoming less distinct in adulthood.

Sepals

The outer parts of the flower, typically green and leaf-like, that protect the developing bud.