Q24 of 26 Page 14

Which firm A or B, shows greater variability in individual wages?


Mean of monthly waqes for firm A and firm B are same i.e.,Rs.5253 .Since the wage earners of firm B are more than that of A,hence firm B pays out larger amount as monthly wages.

Variance for firm A = 100

Variance for firm B = 121

Since variance for firm B is greater than that of A, therefore firmB shows greater variability than that of A.

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