The Test Scores of 6 Randomly Picked Students and the Numbers

question 58

Multiple Choice

The test scores of 6 randomly picked students and the numbers of hours they prepared are as follows: $$\begin{array} { | r | r r r r r r } \hline \text { Hours } & 5 & 10 & 4 & 6 & 10 & 9 \\\hline \text { Score } & 64 & 86 & 69 & 86 & 59 & 87\end{array}$$ The equation of the regression line is $$\hat { \mathrm { y } } = 1.06604 x + 67.3491$$ 67.3491. Find the coefficient of determination.

• A) 0.0503
• B) -0.2242
• C) 0.2242
• D) 0.6781

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Definitions:

Temperament

The inherent part of an individual's personality, including aspects such as mood, disposition, and adaptability.

Securely Attached

A type of attachment style where individuals feel confident and are able to form meaningful and stable relationships.

Caregivers

Individuals who provide care for another person, typically a family member or loved one, who might be in need due to illness, disability, or age.

Interaction

The process by which two or more entities (people, organizations, or substances) influence or have an effect on each other.