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P. 2
Frequency 2 6 8 14 15 5
6.Given below is a cumulative frequency distribution showing the marks secured by 50 students
of a class :
Marks Below 20 Below 40 Below 60 Below 80 Below 100
No. of 17 22 29 37 50
Students
Form the frequency distribution table for the above data.
7.The following table shows the marks obtained by 100 students of class X in a school during a
particular academic session. Find the mode of this distribution.
Marks Less Less Less Less Less Less Less Less
than 10 than 20 than 30 than 40 than 50 than 60 than 70 than 80
No. of 7 21 34 46 66 77 92 100
students
Ans:44.7
2
