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 the 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 ?