Find the Coefficient of Correlation of the Line That Best $\{ ( 2,10 ) , ( - 2 , - 12 ) , ( 7,44 ) \}$

question 89

Multiple Choice

Find the coefficient of correlation of the line that best fits the data set. $\{ ( 2,10 ) , ( - 2 , - 12 ) , ( 7,44 ) \}$

• A) \(r = 0.9983\)
• B) \(r = 0.4992\)
• C) \(r = 0.6988\)
• D) \(r = 0\)
• E) \(r = 0.7986\)

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Definitions:

Researcher Reactivity

A phenomenon where the presence or behavior of the researcher influences the subjects' behavior, potentially biasing the study results.

Hawthorne Effect

A phenomenon where individuals alter their behavior due to their awareness of being observed as part of a study.

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A moral duty to act in accordance with ethical principles and standards.