1. Which one of the following statements concerning the standard deviation is correct?

Group of answer choices

The standard deviation varies in direct relation to increases in dividend yield.

The higher the standard deviation, the lower the expected return.

The standard deviation is a measure of total return.

The lower the standard deviation, the less certain the rate of return in any one given year.

The higher the standard deviation, the higher the risk.

2. The measure of beta associates most closely with:

Group of answer choices

idiosyncratic risk.

the risk-free return.

unsystematic risk.

systematic risk.

unexpected risk.