Given below is a cumulative frequency table:


Marks



Number of students



Below 10



17



Below 20



22



Below 30



29



Below 40



37



Below 50



50



Below 60



60



Extract a frequency table from the above.

Frequency table can be represented as below;


Marks



No. of students



0 – 10



17



10 – 20



22



20 – 30



29



30 – 40



37



40 – 50



50



50 – 60



60



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