In a Multiple Regression Problem Involving Two Independent Variables X₁

question 29

Multiple Choice

In a multiple regression problem involving two independent variables X₁ and X₂,what does it mean if the value of b₁ is 3.2?

• A)The relationship between X₁ and Y is significant.
• B)The estimated value of Y increases by an average of 3.2 units for each unit increase of X₁,holding X₂ constant.
• C)The estimated value of Y increases approximately by 3.2 units for each unit increase of X₂,holding X₁ constant.
• D)The estimated average value of Y is 3.2 units when X₁ = 0.

---

Definitions:

Self-Control Problem

The difficulty individuals face in resisting temptation or immediate gratification to achieve long-term goals.

Precommitment

The action of committing oneself to a course of action or decision before facing circumstances that might make that course of action more difficult.

Time Inconsistency

The tendency of people to change their plans about future actions because of a preference for immediate gratification over future benefits, leading to conflicts between long-term goals and short-term desires.

Running Partner

A companion or fellow athlete who runs alongside another person to provide motivation, pacing, or company.