In Simple Linear Regression, the Coefficient of Correlation R and the Least

question 170

Multiple Choice

In simple linear regression, the coefficient of correlation r and the least squares estimate $$b _ { 1 }$$ of the population slope $$\beta _ { 1 }$$ :

• A) Must be the same size and sign.
• B) May have both have a different size and different sign.
• C) May be the same size but have different sign.
• D) May be different sizes but will have the same sign.

---

Definitions:

Whitewater Rafting

An outdoor recreational activity that uses an inflatable raft to navigate a river or other body of water with varying degrees of rough water.

Facial Feedback Hypothesis

The idea that facial expressions can influence emotional experiences, such as smiling leading to feeling happier.

James-Lange Theory

A concept suggesting that emotions arise following physiological responses to occurrences.

Affect Emotion

The experience of feeling or emotion, which can influence perceptions, judgments, and behaviors.