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Mathematics 9 Online
OpenStudy (anonymous):

find class boundries and mid points of the following frequency distribution also draw histrogram scores=10_14,15_19,20_24,25_29,30_34,35_39 no.of students=7,10,15,3,4,1 help me plz

Directrix (directrix):

@huba Try the online histogram calculator at the following link: http://easycalculation.com/graphs/create-histogram.php

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