Analysis of the data from 25 mothers indicates that an infant's birth weight (g), y , can be estimated by a mother's weight (kg), x , using the regression equation y=31 x+1501 . For every $\underline{\quad\quad}$
(kg) increase in a mother's weight, the infant's birth weight increases by $\underline{\quad\quad}$
g.
A) 31 ; 1501
B) 1 ; 31
C) 31 ; 1
D) 1501 ; 31

Question

Analysis of the data from 25 mothers indicates that an infant's birth weight (g), y , can be estimated by a mother's weight  (kg), x , using the regression equation  y=31 x+1501 .  For every $\underline{\quad\quad}$
  (kg) increase in a mother's weight, the infant's birth weight increases by $\underline{\quad\quad}$
 g.
A)  31 ; 1501 
B)  1 ; 31 
C)  31 ; 1 
D)  1501 ; 31

Quizplus · Accepted Answer

The regression equation y = 31x + 1501 shows that for every 1 kg increase in a mother's weight (x), the infant's birth weight (y) increases by 31 g.

Analysis of the Data from 25 Mothers Indicates That an Infant's