(Choose 1 answer)
(See picture)
A. (ii)
B. (i)
C. (iv)
D. (iii)
In a multiple regression problem involving two independent variables, if b₁ is computed to be +2.0, it means that
(i) the relationship between X₁ and Y is significant.
(ii) the estimated mean of Y increases by 2 units for each increase of 1 unit of X1, holding X2 constant.
(iii) the estimated mean of Y increases by 2 units for each increase of 1 unit of X1, without regard to X2.
(iv) the estimated mean of Y is 2 when X₁ equals zero.
hush
Exit 10
