Construct a reasonable, but hypothetical, graph that shows risk, as measured by portfolio standard deviation, on the

Question:

Construct a reasonable, but hypothetical, graph that shows risk, as measured by portfolio standard deviation, on the x-axis and expected rate of return on the y-axis. Now add an illustrative feasible (or attainable) set of portfolio, and show what portion of the feasible set is efficient. What makes a particular portfolio efficient? Don’t worry about specific values when constructing the graph-merely illustrate how things look with “reasonable” data.

Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...