Question

12. The median of the following data is 77.5 . Find the values of A and B , if
the total frequency is 35.
Class intervals
Frequency
1-18
2
19-36
3
37-54
5
55-72
A
73-90
6
91-108
4
109-126
B
127-144
2
145-162
1
163-180
1
NODIw​

Answer 1

Answer:

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Answer 2

Answer:

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