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