a. What is the average annualreturn?

b. What is the variance of thestock's returns?

c. What is the standard deviation of thestock's returns?

Note: Notice that the average return and standard deviation must be entered in percentage format. The variance must be entered in decimal format.

The last four years of returns for a stock are as shownhere

Year

1

2

3

4

Return

3.7%

+28.2%

+12.1%

+4.1%