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Frequency Polygon

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Question

According to the given data in Ex. 10. draw histogram and then frequency polygon.

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Solution

Amount (in Rs) Number of Students

20 $-$ 30 4

30 $-$ 40 7

40 $-$ 50 8

50 $-$ 60 6

60 $-$ 70 9

70 $-$ 80 10

80 $-$ 90 5

90 $-$ 100 1

The frequency polygon is given below:

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Frequency Polygon

Standard IX Mathematics

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