Question

liliteracy rate of 40 cities is given in the following table if it is given that mean literacy rate is 63.5 then find the missing frequencies X and Y


35-40. 1
40-45. 2
45-50. 3
50-55. x
55-60. y
60-65. 6
65-70. 8
70-75. 4
75-80. 2
80-85. 3
85-90. 2​

Answer 1

x=5

y=7

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Answer 2

The answer is attatched below