According to the mean-variance criterion, which of the statements below is correct? $\begin{array}{lcc}
\text { Investment } & E(r) & \text { Standard Deviation } \
\text { A } & 10 \% & 5 \% \
\text { B } & 21\% & 11 \% \
\text { C } & 18 \% & 23 \% \
\text { D } & 24\% & 16 \%
\end{array}$
A) Investment B dominates investment A.
B) Investment B dominates investment C.
C) Investment D dominates all of the other investments.
D) Investment D dominates only investment B.
E) Investment C dominates investment A.

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The Answer of According to the mean-variance criterion, which of the statements below is correct? $\begin{array}{lcc}
\text { Investment } & E(r) & \text { Standard Deviation } \
\text { A } & 10 \% & 5 \% \
\text { B } & 21\% & 11 \% \
\text { C } & 18 \% & 23 \% \
\text { D } & 24\% & 16 \%
\end{array}$
A) Investment B dominates investment A.
B) Investment B dominates investment C.
C) Investment D dominates all of the other investments.
D) Investment D dominates only investment B.
E) Investment C dominates investment A.

According to the Mean-Variance Criterion, Which of the Statements Below