You Find a Certain Stock That Had Returns of 4

Multiple Choice

You find a certain stock that had returns of 4 percent,-5 percent,-15 percent,and 16 percent for four of the last five years.The average return of the stock for the 5-year period was 13 percent.What is the standard deviation of the stock's returns for the five-year period?

A) 21.39 percent
B) 24.98 percent
C) 27.16 percent
D) 31.23 percent
E) 34.02 percent