Please see my homework question attached below .

QUESTION 5 A regression analysis bemreen (in 51000] and advertising [in $100) resulted in the following least squares line: ?= 75 + 5X This implies that ifachlertising is $800. then the predicted amount ofsales (in dollars] is: ID 54315011 Cl 5123.004} 0 12,300 0 54.315