Question

Construct a frequency table from the following data :

Marks	No. of students
less than 10	6
less than 20	15
less than 30	30
less than 40	39
less than 50	53
less than 60	70

Answer 1

$MarksCI$ $No.ofStudents$

$0-10$ $6$

$10-20$ $9$

$20-30$ $15$

$30-40$ $9$

$40-50$ $14$

$50-60$ $17$