Question

the median of the following data is 52.5 . find the value of x and y if the final frequency is 100.
class interval frequency
0 - 10 5
10 - 20 2
20- 30 x
30- 40 12
40- 50 20
50- 60 17
60 - 70 y
70- 80 7
80- 90 9
90 - 100 4
​

Answer 1

Answer:

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