Question $8$

$1$ pts

Which of the following statements about the standard deviation are INCORRECT?

I. The standard deviation is a measure of risk.

II$.$ The standard deviations and weights of the assets in a portfolio completely determine the standard deviation of the portfolio.

III. To decide whether asset $A$ is more risky than asset $B$ we need to compore their standard deviations, not their variances.

IV$.$ The lower the standard deviation of an investment, the lower its risk.

II$,$ III and IV only

II and III only

I, III and IV only

I and IV only