11.9 Variances Standard Deviations(continued) e In our example it is correct to say that the variance is 100 per year o It is strictly speaking not correct to say that the standard deviation is 10 per year Options, Futures, and Other Derivatives, 5th edition C 2002 by John C Hull11.9 Options, Futures, and Other Derivatives, 5th edition © 2002 by John C. Hull Variances & Standard Deviations (continued) • In our example it is correct to say that the variance is 100 per year. • It is strictly speaking not correct to say that the standard deviation is 10 per year