In the previous problem your best estimate of the intercept relating the total earning from the hours worked is
A) -10.
B) 0.
C) 10.
D) We have no idea.

Question

Quizplus · Accepted Answer

Since the slope coefficient turned out to be exactly 10, we know that when x=0 (i.e., no hours worked), the predicted value of y (i.e., total earnings) will be 0 as well. Therefore, the intercept must be 0.

In the Previous Problem Your Best Estimate of the Intercept