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Find the median, the 3rd quartile and the 4th decile for the distribution of examination marks givenbelow.MarksNo. of Students30-3940-4950-59 60-69 70-79 80-898 87 190 3042118590-9920

Find the median, the 3rd quartile and the 4th decile for the distribution of examination marks given below. Marks 30-39 40-49 50-59 60-69 70-79 80-89 90-99 No. of Students 8 87 190 304 211 85 20

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