Applicants for a Particular Job, Which Involves Extensive Travel in Spanish

question 52

Essay

Applicants for a particular job, which involves extensive travel in Spanish speaking_
countries must take a proficiency test in Spanish. The sample data below were obtained in a
study of the relationship between the numbers of years applicants have studied Spanish (x)
and their score on the test (y). $\begin{array}{rrrrrrrrrrr}\hline x & 3 & 4 & 4 & 2 & 5 & 3 & 4 & 5 & 3 & 2 \\\hline y & 57 & 78 & 72 & 58 & 89 & 63 & 73 & 84 & 75 & 48 \\\hline\end{array}$
The regression equation $\hat { y } = 31.55 + 10.90 x$ was obtained. Construct a residual plot for the data.

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Definitions:

Evangelical Reformers

Individuals motivated by their evangelical beliefs to enact social reforms in the 18th and 19th centuries, focusing on issues like slavery, education, and prison conditions.

Morality

Principles concerning the distinction between right and wrong or good and bad behavior, often guided by personal, cultural, or societal values.

Individualism

A social and political philosophy that emphasizes the moral worth and autonomy of the individual, often opposing external interference upon one's own interests.

David Walker

An African American abolitionist whose 1829 pamphlet “Appeal to the Coloured Citizens of the World” called for the end of slavery and racial discrimination.