Which of the following statements about the standard deviation are correct?
I. The standard deviation is a measure of relative dispersion.
II. Standarddeviationsshouldbeinconjunctionwithexpectedreturnstocompareinvestments. III. The standard deviation is calculated by taking the square root of the variance.
IV. The higher the standard deviation of an investment, the lower its risk.
A) I and IV only
B) II and III only
C) I, III and IV only
D) I, II and III only
Which one of the following indexes reflects a large sample of small, medium sized and large companies?
A) NYSE composite
B) DJIA
C) Russell 3000
D) Value Line composite