28.

28 Which of the following statements are correct? I. The varlance is commonly used as a measure of volatllity Il. The greater the variance, the greater the disperslon of actual returns. II. The higher the standard deviation, the less certaln the rate of return in any one given year. IV. Lower standard deviation is usually assoclated with the higher expected return O II,IlI, and IV only O I,II, and IV only O I, I,II, and IV O I and II only Il and Ill only