In a Multiple Regression Problem Involving Two Independent Variables X₁

Multiple Choice

In a multiple regression problem involving two independent variables X₁ and X₂,what does it mean if b₂ is computed to be -1.5?

A) The relationship between X₂ and Y is significant.
B) The estimated value of Y decreases by an average of 1.5 units for each unit increase of X₁,holding X₂ constant.
C) The estimated value of Y decreases by an average of 1.5 units for each unit increase of X₂,holding X₁ constant.
D) The estimated average value of Y is -1.5 units when X₁ = X₂ = 0.