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 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.