Question

Assume the least squares equation is ŷ = 10 + 20x. what does the value of 10 in the equation indicate? when x = 0, y = 10. x increases by 10 for each unit increase in y. y increases by 10 for each unit increase in x. it is the error of estimation.

Answer 1

We know that

in the equation ŷ = 10 + 20x
the value of 10 is the predicted value of Y, given X=0 value.
It is also known as Y intersect