Find the Value of the Linear Correlation Coefficient R A) 0708
B) 0

question 44

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

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Definitions:

José Clemente Orozco

A prominent Mexican painter who specialized in murals that established the Mexican Mural Renaissance along with Diego Rivera and David Alfaro Siqueiros.

Mexican Revolution

A major armed struggle starting in 1910 that drastically transformed Mexican culture and government, aiming to reduce inequality and end the dictatorship of Porfirio Díaz.

Indigenous Peoples

Ethnic groups who are the original inhabitants of a given region, having preserved traditional customs and cultural identity against external influences or domination.

Wright

Often associated with Frank Lloyd Wright, an American architect known for developing the distinct Prairie School of architecture.