The Y-intercept represents the


estimated average Y when X
= 0.


change in estimated average Y
per unit change in X.


predicted value of Y.


variation around the sample regression line.

1 answer

The Y-intercept represents the estimated average Y when X = 0.

In the context of a linear regression model, the Y-intercept is the value of the dependent variable (Y) when the independent variable (X) is equal to zero.