Company A
x̄ = ₹ 600
s = ₹ 30
Coefficient of variation = \(\frac{s}{\bar x}\) × 100
= \(\frac{30}{600}\) × 100
= 5%
Company B:
x̄ = ₹ 2100
s = ₹ 84
Coefficient of variation = \(\frac{s}{\bar x}\) × 100
= \(\frac{84}{2100}\) × 100
= 4%
The coefficient of variation of daily salary of employees of company A is 5 % and that of company B it is 4 %. Hence, the daily salary in company B Is more stable.
