Consider the Partially Completed ANOVA Table Showing the Results of a Regression

question 48

Multiple Choice

Consider the partially completed ANOVA table showing the results of a regression analysis shown.
​
$\begin{array}{|lcrcl|}\hline \text { Source of } & {\text { Sum of }} & {\text { Mean }} & \\\text { variation } & \text { squares } & \text { df } & \text { squares } & \text { F-ratio } \\\text { Regression } & 305.1 & 1 & ? & ? \\\text { Residual } & 1247.3 & 24 & ? & \\\text { Total } & 1552.4 & 25 & & \\\hline\end{array}$
-What is the R² value?
?

• A) 0.197
• B) 0.245
• C) 0.755
• D) 0.803

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Definitions:

Heuristics

Mental shortcuts or rules of thumb that simplify decision making and problem solving, although not always perfectly accurate.

Creativity

The ability to produce original and unusual ideas, or to make something new or imaginative.

Sunk-Cost Fallacy

A cognitive error where past investments of time, effort, or money are taken into account when making a decision, even though they cannot be recovered.

Loss Aversion

The tendency to strongly prefer to avoid losses compared to attempting to acquire gains.