Question

Given the trend equation Y = 118.5 +2.2X +
1.4x2 with origin 1980, the trend equation
with origin 1981 is:
(a) Y= 117.7 -0.6X + 1.4X2
(b) no change in the equation
J Y = 122.1 + 5X + 1.48?
(d) none of the above​

Answer 1

Answer:

ans 4

Step-by-step explanation:

Given the trend equation Y = 118.5 +2.2X +

1.4x2 with origin 1980, the trend equation

with origin 1981 is:

(a) Y= 117.7 -0.6X + 1.4X2

(b) no change in the equation

J Y = 122.1 + 5X + 1.48?

(d) none of the above