The marks scored by 55 students in a test given below:


Marks:



0-5



5-10



10-15



15-20



20-25



25-30



30-35



No. of students



2



6



13



17



11



4



2



Prepare a cumulative frequency table.


Marks



No. of students



Marks



Cumulative frequency



0-5



2



Less than 5



2



5-10



6



Less than 10



8



10-15



13



Less than 15



21



15-20



17



Less than 20



38



20-25



11



Less than 25



49



25-30



4



Less than 30



53



30-35



2



Less than 35



55




N = 55





3