Question

.. The marks obtained by 60 students in an examination are as follows. Find the mean marks
of the students.
Marks
0 - 10
10 - 20
20-25
25 - 30
30 - 35
35 - 40
No. of students
3
8
20
16
9
4​

Answer 1

Answer:

Mean= 3+8+20+16+9+4/6

=60/6

=10 Ans.