Given the Least Squares Regression Line = -2

question 160

Multiple Choice

Given the least squares regression line = -2.48 + 1.63x, and a coefficient of determination of 0.81, the coefficient of correlation is:

• A) -0.85
• B) 0.85
• C) -0.90
• D) 0.90
• E) -0.81

---

Definitions:

Parenthetical Citations

References within the body of a text that indicate the source of information or quotes, typically included within parentheses.

Observational Study

A research method that involves observing subjects in their natural environment without manipulating any variables.

Normative Study

An investigation or research aimed at understanding what is considered normal or typical behavior or characteristics in a specific population.

Consumer Behavior

The study of how individual consumers, groups, or organizations select, buy, use, and dispose goods, services, ideas, or experiences to satisfy their needs and desires.