The daily wages of 160 workers in a building project are given below:
Wages in Rs.0-10,10-20,20-30,30-40,40-50,5-60,60-70,70-80
No.Of workers.12,20,30,38,24,16,12,8
Using the graph paper draw an ogive for the above distribution using Ojive estimate ;
Find:
The median wage of worker
The upper quartile wage of the worker
The lower quartile wage of the worker
The percentage of workers who earn more than Rs.45 a day
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