Given below are the cumulative frequencies showing the weights of 685 students of a school. Prepare a frequency distribution table.


Weights (in kg)



No. of students



Below 25


Below 30


Below 35


Below 40


Below 45


Below 50


Below 55


Below 60


Below 65


Below 70



0


24


78


183


294


408


543


621


674


685



Weight (in kg)



No. of students



Class interval



Frequency



Below 30



24



25-30



24



Below 35



78



30-35



54



Below 40



183



35-40



105



Below 45



294



40-45



111



Below 50



408



45-50



114



Below 55



543



50-55



135



Below 60



621



55-60



78



Below 65



674



60-65



53



Below 70



685



65-70



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