Assume the Least Squares Equation Is Ŷ = 10

Multiple Choice

Assume the least squares equation is Ŷ = 10 + 20X. What does the value of 10 in the equation indicate?

A) When X = 0, Y = 10.
B) X increases by 10 for each unit increase in Y.
C) Y increases by 10 for each unit increase in X.
D) It is the error of estimation.