Two plants A and B of a factory show following results about the number of workers and the wages paid to them.
`{:(,A,B),("No. of workers",5000,6000),("Average monthly wages","Rs 2500","Rs 2500"),("Variance of distribution of wages",81,100):}`
In which plant, A or B is there greater variability in individual wages?

An analysis of monthly wages paid to the workers of two firms A and B belonging to the same industry gives the following results. {:("",,"A",,"B"),("Number of workers",, 500,, 600),("Average monthly wage" ,, 186,, 175),("Variance of distribution of wages",,81,,100):} In which firm, A or B, is there greater variability in individuals wages ?

An analysis of monthly wages paid to workers in two firms A and B belonging to the same industry gives the following results. {:(,"Firm A","Firm B"),("No.of wage earners",586,648),("Mean of monthly wages",Rs.5253,Rs.5253),("Variance of distribution of wages",100,121):} (i) Which firm A or B pays larger amount as monthly wages ? (ii) Which firm A or B shows greater variability in individual wages .

If the average wage of 50 workers is Rs. 100 and the average wage of 30 of them is Rs. 120. Find the average wage of remaining workers.