Find the Explained Variation for the Paired Data $$\hat { y } = 3 x$$

question 40

Multiple Choice

Find the explained variation for the paired data.
-The equation of the regression line for the paired data below is $$\hat { y } = 3 x$$ x. Find the explained variation. $$\begin{array} { r | r r r r } x & 2 & 4 & 5 & 6 \\\hline y & 7 & 11 & 13 & 20\end{array}$$

• A) 88.75
• B) 10.00
• C) 78.75
• D) 72.45

---

Definitions:

Decision

The process of making choices by identifying a decision, gathering information, and assessing alternative resolutions.

Polya's Four Steps

A problem-solving approach involving four phases: understanding the problem, devising a plan, carrying out the plan, and looking back at the solution process.

Word-Superiority Effect

A phenomenon where words are more easily recognized and processed than isolated letters or non-words.

Spreading Activation

A model in cognitive psychology that explains how information is retrieved in the brain, suggesting that thoughts and ideas are connected in a network and thinking about one concept triggers related concepts.