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CBSE Class 9 Answered

The following table gives the distribution of students of two sections according to the marks obtained by them. Section A Section B Mark Frequency Marks Frequency 0 - 10 2 0 - 10 5 10 - 20 12 10 - 20 11 20 - 30 18 20 - 30 15 30 - 40 13 30 - 40 12 40 - 50 5 40 - 50 7 Represent the marks of the students of both the sections on the same graph by two frequency polygons.
Asked by Topperlearning User | 06 Dec, 2013, 01:12: AM
answered-by-expert Expert Answer

 

Section A

Section B

Marks

Class marks

Frequency

Marks

Class marks

Frequency

0 - 10

5

2

0 - 10

5

5

10 - 20

15

12

10 - 20

15

11

20 - 30

25

18

20 - 30

25

15

30 - 40

35

13

30 - 40

35

12

40 - 50

45

5

40 - 50

45

7

ABCDEFG is the frequency polygon for section A and AQRSTUG is the frequency polygon for section B.

Answered by | 06 Dec, 2013, 03:12: AM

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