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Grade 12th passDifferential Calculus

The number of employees,average daily wages per employee and varaiance of daily wages per employee for two factory given below
Factory a factory b
No of employee 50 100
Average of employee 120 85
Variance of daily wages 9 16
In which factory is there greter variation in the distribution of daily wages per employee?

Profile image of Mugisha Pirzada
7 Years agoGrade 12th pass
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1 Answer

Profile image of Bhagyashri verma
7 Years ago
S.D for factory A = \sqrt Variance =3 
Coefficient of variation =  (SD/ Avg) * 100 = 3/120 * 100 = 2.5 %
 
S.D for factory A = \sqrt Variance =4
 
Coefficient of variation =  (SD/ Avg) * 100 = 4/85 * 100 = 4.75%
 
Hence greater variation in distribution of wages in factory B