Instruction 12 $\text { Regression Statistics }$ -Referring to Instruction 12

question 93

Multiple Choice

Instruction 12.15
The following Microsoft Excel tables are obtained when 'Score received on an exam (measured in percentage points) ' (Y) is regressed on 'percentage attendance' (X) for 22 students in a Statistics for Business and Economics course.
$\text { Regression Statistics }$
$\begin{array}{|l|l|}\hline\text { MultipleR } & 0.142620229 \\\hline \text { R Square } & 0.02034053 \\\hline \begin{array}{l}\text { Adjusted R } \\\text { Square }\end{array} & -0.028642444 \\\hline \text { Standard Error } & 20.25979924 \\\hline \text { Observations } & 22\\\hline\end{array}$

$\begin{array}{|l|l|l|l|l|}\hline & \text { Coefficients } & \begin{array}{l}\text { Standard } \\\text { Error }\end{array} & t \text { Stat } & p \text {-value } \\\hline \text { Intercept } & 39.39027309 & 37.24347659 & 1.057642216 & 0.302826622 \\\hline \text { Attendance } & 0.340583573 & 0.52852452 & 0.644404489 & 0.526635689 \\\hline\end{array}$


-Referring to Instruction 12.15,which of the following statements is true?

• A) 14.2% of the total variability in percentage attendance can be explained by score received.
• B) 2% of the total variability in score received can be explained by percentage attendance.
• C) 2% of the total variability in percentage attendance can be explained by score received.
• D) 14.26% of the total variability in score received can be explained by percentage attendance.

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Definitions:

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A country in South America known for its diverse culture, Amazon rainforest, and vibrant cities.

Communication Touch

Points of interaction or contact where communication occurs between individuals or groups within an organization.

Arabs

Ethnic group primarily living in the Arab world, characterized by shared linguistic, cultural, and sometimes religious traits.

Canadians

Citizens of Canada or individuals who reside in Canada, known for their diverse cultural backgrounds.