Answer:

the value of x and y are 5 and 8

Step-by-step explanation:

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Verified answer

Answer:

here n = 60

x + y = 60 .......eq.(1)

again median (28.5) lies between 20 - 30 .

l = 20 , h = 10 ,c. f. =5+x and f = 20

using formula of median

28.5. = 20 + 30 - (5+x) ×10

20

30 - (5 + x) = 17

5 + x = 30 - 17

x = 8

now from eqn. 1

y = 7

hence x = 8, y = 7 ans.