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The marks of 20 students out of 25 are g...

The marks of `20` students out of `25` are given below
`{:(12,17,22,7,11,19,24,18,4,8),(23,2,5,15,21,16,11,9,12,17):}`

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Taking class interval `1-5, 6-10` ………. Construct an inclusive form of a frequency table.
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{:(9,11,13),(13,15,17),(10,12,14),(14,16,18),(11,13,?):}