2 questions to one graph, help?

Question

http://www.testprepreview.com/modules/infantweight.gif

#1. How much did the infant gain in the first month of life?

#2. What was the average weight of the infant from April to October?

Answer 1

girl above is correct

Answer 2

ans1- 8.5pounds

ans2- 10.53(add all weights n divide by 7)

hope i am rite