Check my work 3 Problem 8-9 Suppose that the index model for stocks A and B is estimated from excess returns with the following results: polnts 1.0% 0.45RM eA RA = -1.0 % 1.0RM eBook RB M=16%; R-squareA = 0.28; R-squareg = 0.21 Print What is the standard deviation of each stock? (Do not round intermediate calculations. Round your answers to 2 decimal places.) References Standard Deviation Stock A Stock B 10