Given the estimated multiple regression equation
y` = 6 + 5x1 + 4x2 + 7x3 + 8x4
what is the predicted value of Y in each case?
a. x1 = 10, x2 = 23, x3 = 9, and x4 = 12
b. x1 = 23, x2 = 18, x3 = 10, and x4 = 11
c. x1 = 10, x2 = 23, x3 = 9, and x4 = 12
d. x1 = -10, x2 = 13, x3 = -8, and x4 = -16