Given the Least Squares Regression Line Y-Hat = 3

question 77

Short Answer

Given the least squares regression line y-hat = 3.52 - 1.27x, and a coefficient of determination of 0.81, the coefficient of correlation is: $\begin{array}{|l|l|}\hline\text { A. } & -0.85 \\\hline \text { B. } & 0.85 \\\hline \text { C. } & -0.90 \\\hline \text { D. } & 0.90 \\\hline\end{array}$

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Definitions:

Intrinsic Motivation

A drive to engage in activities for their own sake, due to internal rewards like satisfaction and joy, rather than for external rewards.

Schoolwork

Tasks assigned by teachers, intended to be completed by students outside of class, to reinforce learning.

Algorithm

A step-by-step procedure or formula for solving a problem or completing a task, often used in computing and mathematics.

Availability Heuristic

An intellectual quick path that is based on the prompt examples that surface in an individual's memory when thinking about a certain topic, idea, approach, or decision.