A stock has had annual returns for the past four years of 15.0%, 5.0%, -10.0% and 10.0%. What is its annual volatility? That is what is the standard deviation of its annual returns? 14.1% 10.8% 09.3% 10.2% X 15.00% 5.00% (10,00%) 10.00% Average (p) ? Question 20 x -2.00% 14.00% -7.00% 13.00% x- ? ? 2 Average () ? (x-)^2 ? ? 2 2 ? total x- (x-)^2 ? A stock has had annual returns for the past four years of -2.0%, 14.0%, -7.0%, and 13.0%. What is its annual volatility? That is, what is the standard deviation of its annual returns? ? ? ? n-1 total Divide by n-1 variance SQRT -St Dev Divide by n-1 - variance ??? SQRT -St Dev ??? 1 pts