11. How many sections having an average number of 47 students?

4
5
3

12. From the class interval 31-35. What is the value of i?

4
5
6

13. If the class interval is 31-35. What is the midpoint?

32
31
33

14.From the data above if the class interval is 31-35, what is the frequency?

2
3
4

15.From the data above if the class interval is 46-50, what is the frequency?

16
17
18​