Organisation of Data

Question

Prepare a frequency distribution by inclusive method taking class interval of 7 from the following data:

28

17

15

22

29

21

23

27

18

12

7

2

9

4

6

1

8

3

10

5

20

16

12

8

4

33

27

21

15

9

3

36

27

18

9

2

4

6

32

31

29

18

14

13

15

11

9

7

1

5

37

32

28

26

24

20

19

25

19

20

   

Answer

Frequency Distribution

Class Interval

Tally Bars

Frequency

1–7

15

8–14

12

15–21

15

22–28

9

29–35

7

36–42

2

Total

 

60

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