Evaluating Risk Using Standard Deviation
The average annual returns and standard deviations for several investment opportunities are provided. Based on the given standard deviations, which investment carries the least risk?
A
Investment B: 7% +/- 4%
B
Investment A: 10% +/- 3%
C
Investment C: 20% +/- 10%
D
Investment E: 12% +/- 5%
E
Investment D: 5% +/- 8%