An analysis of monthly wages paid to workers in two firms $A$ and $B$,belonging to the same industry,gives the following results:
\text{Particulars} \text{Firm } $A$ \text{ and Firm } $B$
\text{No. of wage earners} $A: 586, B: 648$
\text{Mean of monthly wages} $A: Rs. 5253, B: Rs. 5253$
\text{Variance of wages} $A: 100, B: 121$

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

  • A
    Firm $A$
  • B
    Firm $B$
  • C
    Both have equal variability
  • D
    Cannot be determined

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