Given the following historical returns, what is the standard deviation? Year 1 = 9%; year 2 = -11%; year 3 = 8%; year 4= -12%; and year 5 = -9%. Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b 1.89% e 5.48% 8.66% d 10.56% 26.87%

Given the following historical returns, what is the standard deviation? Year 1=9%; year 2=11%; year 3= 8%; year 4=12%; and year 5=9%. Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 1.89%