The mean salry for a group of for a group of 50 male workers is Rs. 4800 per month and that for a group of 50 female workers is Rs. 5600. The combined mean salary is
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Step-by-step explanation:
Total salary of 40
Female=5200x40=208000
Total salary of 60
Female-6800x60=408000
Combined salary=616000
Combined mean salary=616000/100-6160
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