Question

I need help. Does anyone know how to do this?????
Based on the following information, calculate the coefficient of variation and select the best investment based on the risk/reward relationship.
Company A Std Dev=10.4 Exp Return 15.2
Company B Std Dev=14.6 Exp Return 22.9
I just need to know how to work it.

Answer 1

Coefficient of variation=\[\frac{ Std Dev }{ Mean }\times100\]

Answer 2

Thank you.