Four mark exercise problems VII — task. Mathematics State Board, Class 8.

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Draw a histogram and the frequency polygon in the same diagram to represent the following data.

Weight(in $kg$ )	$50 - 55$	$56 - 61$	$62 - 67$	$68 - 73$	$74 - 79$	$80- 85$	$86 - 91$
No. of persons	$15$	$8$	$12$	$17$	$9$	$10$	$6$

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17. Four mark exercise problems VII