11. The following table gives the frequency distribution of marks scor – InterviewSolution

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1.	11. The following table gives the frequency distribution of marks scored by 50 students ofclass X in mathematics examination of 80 marks:Class0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-8o2Frequency 2281693Find the median of the data.
Answer» 30×10+20×5+50×3+40×2+9×1

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