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The marks obtained by 110 students in an examination are given below: Marks: 30 – 35 35 – 40 40 – 45 45 – 50 50 – 55 55 – 60 60 – 65 Frequency: 14 16 28 23 18 8 3 Find the mean marks of the students.

Answer» The marks obtained by 110 students in an examination are given below:

























Marks: 30 – 35 35 – 40 40 – 45 45 – 50 50 – 55 55 – 60 60 – 65
Frequency: 14 16 28 23 18 8 3



Find the mean marks of the students.


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