Question

Find theean of the students obtained by 100 students marks 30-35 no of students 14

Answer 1

The marks obtained by 100 students in an examination are given below Marks: 30-35 35-40 40-45 45-50 50-55 55-60 60-65 Number of 14 16 28 23 18 8 3 Students :

Find the mean marks of the students