In a factory, a man gets Rs100 a day and a woman Rs 75 a day. 40people are employed in a factory. if total daily wages bill of the factory is Rs3625, find the number of men and women employed in the factory by using Cramer's rule.
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Answer:
Daily wages (in Rs.) No. of workes Cumulative frequency
125 6 6
130 20 26
135 24 50
140 28 78
145 15 93
150 4 97
160 2 99
180 1 100
N =100 (even)
Median =
2
(
2
N
)
th
observation+(
2
N
+1)
th
observation
Median =
2
50
th
observation+51
st
observation
=
2
135+140
=137.50
∴ Median wages of a workers in the factory is Rs.137.50.
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