Q1 of 43 Page 22

Define cumulative frequency distribution.

A table which displays the manner in which cumulative frequencies are distributed over various classes is called cumulative frequency distribution or cumulative frequency distribution table.


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10

The following marks were obtained by the students in a test:

81, 72, 90, 86, 85, 92, 70, 71, 83, 89, 95, 85, 79, 62


The range of the marks is

 11

Tally are usually marked in a bunch of

 2

Explain the difference between a frequency distribution and a cumulative frequency distribution.

 3

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.