Correct Answer - Option 2 : 22.22
Concept:
The coefficient of variation (C.V.) = \(\rm {\text{Standard Deviation}\over Mean}\times100\)
Calculation:
Mean = 162 cm, standard deviation = 36 cm
Coefficient of variation = \(\rm {36\over 162}\times100\)
C.V. = \(200\over9\) = 22.22