Q. 245.0( 1 Vote )
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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