The weight of a baby measured over an 11-mon period is given in the weight chart for this problem.
(a) Plot the baby's weight versus age over the 11 mon.
(b) What was the average monthly weight gain for this baby over the period from birth to 5 mon? How do you find this value from the graph?
(c) What was the average monthly weight gain for the baby over the period from 5 mon to 10 mon?
(d) If a baby continued to grow at the same rate as in the first five months of life, what would the child weigh at age 12 yr?
Weight (lb) Age (mon)
6.6 ............................................. 0 (birth)
7.4 ............................................. 1.0
9.6 ............................................. 2.0
11.2 ........................................... 3.0
12.0 ........................................... 4.0
13.6 ........................................... 5.0
13.8 ........................................... 6.0
14.8 ........................................... 7.0
15.0 ........................................... 8.0
16.6 ........................................... 9.0
17.5 ........................................... 10.0
18.4 ........................................... 11.0