$4\mathrm{.}3$ A group of students who are studying financial management invited you to address

them on the topic of risk and return. In your presentation, they expect you to explain

why financial managers will want to create "efficient portfolios."

Use the following diagram of the returns of two assets, A and $B,$ to explain to them how they

can use the range, standard deviation, and coefficient of variance to assess which asset has the

higher risk.

Source: Zutter, C$.$J et al; $2023$