Math, asked by abhinavajith7, 8 months ago

20. The median of the following data is 50 and the sum of all the frequencies is 90. Find x and y. Marks 20 - 30 30 - 40 40 - 50 50 - 60 60 - 70 70 - 80 80 - 90 Frequency x 15 25 20 y 8 10

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