For numbers 5 - 13, Use the following table


5) What is the class interval of the given table?

5
6
7
8

6) What is the next class interval after 19 – 25?

26 - 33
26 - 32
25 - 33
25 - 32

7) What is the total frequency?

32
25
35
30

8) What is the class mark for 19 – 25?

22
23
21
24

9) What is the class mark for 33 – 39?

34
35
36
37

10) What is the fxm for 5 – 11?

45
14
48
58

11) What is the fxm for 26 - 32?

33
116
126
25

12) What is the sum of fxm?

630
659
569
640

13) What is the mean of the given data?

21.96
21.97
21.90
23​