Answer:
Option D) 19
Explanation:
They weighed a total of 19 babies.
From the graph:
3 babies weighed between (9 - 11)
4 babies weighed between (4 - 9)
8 babies weighed between (5 - 7)
4 babies weighed between (3 - 5)
From that we see that, the total number of babies weighed are:
3 + 4 + 8 + 4 = 19 babies