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The following table gives the distribution of students of two sections according to the marks obtained by them :

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The following table gives the distribution of students of two sections according to the marks obtained by them :

Represent the marks of the students of both the sections on the same graph by two frequency polygons. From the two polygons compare the performance of the two sections.

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(i) Scale: x axis ➝ 5 marks = 1 cm. 

y axis ➝ 2 frequency = 1 cm.

Section B students scored less marks in great numbers.

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