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:

Imported Oil

Crude or refined petroleum products sourced from foreign countries.

Surplus

The situation in which the quantity of a good or service supplied exceeds the quantity demanded at the current price.

Excess Demand

A market condition where the quantity demanded of a product exceeds the quantity supplied at the current price, leading to upward pressure on prices.

Gulf of Mexico

A large oceanic basin located in the southeastern part of North America, bordered by the United States, Mexico, and Cuba.