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Following data relates to wages and total hours of work and average hours of work of workers.
50-70
70-90
90-110
110-130
130-150
150-170
72
200
255
154
78
38
9
8
Avgins of work
8.5
7
7.8
7.6
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1
Answer:
the average wage of workers per day is 108.10
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