Question 1062721
Subtract the first from the second, etc. to the 12th from the 13th.
Add the differences and divide by 12.
1.95
1.86
1.55
1.48
1.39
1.09
1.16
1.09
1.92
0.53
0.83
0.85
Sum is 15.70
Divide by 12
Average monthly weight gain per month is 1.31 pounds.