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An analysis of monthly wages paid to wor...

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 .

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