Assume the least squares equation is = 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.

Question

Assume the least squares equation is  = 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.

Quizplus · Accepted Answer

The value of 10 in the equation represents the Y-intercept, where X is 0. Therefore, when X = 0, Y = 10.

Assume the Least Squares Equation Is = 10