1. How many grade pupils were dewormed on the first three years?

2. If there is a total of 1,500 pupils in 2013, how many pupils were not dewormed on that year?

3. What is the difference in the number of pupils dewormed in 2014 than 2012?

4. Why do you think there is a sudden increased in the number of pupils dewormed in 2014?

5. Why does every child need to be dewormed? What are the benefits you can get after deworming?

6. By looking at the graph, what can you infer about the result in deworming of pupils in school?​