Question

2)The marks obtained in maths,obtained out of 40,scored by 50 students of gth std in first unit test
Frequency
2
Class interval
0-10
10-20
20-30
30-40
12
20
16
N=
1)For class interval 10-20 the lower class limit is _ & upper class limit is
2) How many students obtained marks less than 10
3] How many students obtained marks less than 20
4)How many students obtained marks less than 30
5) How many students obtained marks less than 40​

Answer 1

Answer:

1st is not understandable

2nd is 0

3rd is 10

4th is 20

5th is 30

Answer 2

Answer:

2nd is 0

3rd is 10

4th is 20

4th is 30