Use the Information Below for the Following Problem(S)

Multiple Choice

Use the Information Below for the Following Problem(S)
The annual rates of return of Stock Z for the last four years are 0.10, 0.15, -0.05, and 0.20, respectively.
-Refer to Exhibit 1.10.Compute the standard deviation of the annual rate of return for Stock Z.

A) 0.0070
B) 0.0088
C) 0.0837
D) 0.0935
E) 0.1145