The marks obtained by 120 students in a Mathematics test are given below: Using the informations, given above, draw an ogive on a graph sheet. Take a suitable scale for your ogive. Use the ogive drawn to estimate : (i) the median. (ii) the number of students who obtained more than 75% marks in the test. (iii) the number of students who did not pass in the test if the pass percentage was 40.
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