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MatheL-5Howmanythan 20 markStudy the following distribution and answer the questionFrequency disturbanceof marks of 40 marks studentsof class 8 in. Mathematicasclass Interval Marks)Frequency20-30130 - 40740 - 50550-60660-70770-80880-90390-1003​

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this is so LONG i CANT answer



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