the marks obtained by 100 students are given below marks 0- 5 5-10 10 -15 15 -20 20-25 25-30 30 -35 35-40 4 6 10 10 25 22 18 5 calculate q3 d7 p72
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prepare a tally marking chart for the marks in economics scord by 70 students in an examination 28,17,15,22,29,23,27,18,12,7,2,9,4,1,8,3,10,5,20,16,12,8,4,33,21,27,15,3,36,27,21,15,3,37,16,2,8,9,2,6,32,31,29,18,14,13,15,11,9,7,1,5,37,32,23,24,20,19,25,19,25,19,20,6,9,30
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