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Question

The following table shows the number of workers in a factory and their daily wages. Find the median of the daily wages.
Daily wages(Rupees)100110110120120130130140140150150160
No. of workers 373840332824

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Solution

N2=100, corresponds to 120130 class
Median=L+⎜ ⎜ ⎜N2Ffm⎟ ⎟ ⎟×h
where F=75
fm=40
L=120
h=10
=120+((1007540)×10)
=120+254
=126.25.

1192516_1260775_ans_5d17cc6831104d449967e22d00459587.jpg

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