The last four years of returns for a share are asfollows:

YEAR1 -4.1%

YEAR2 28.4%

YEAR3 12.3%

YEAR4 3.9%

a. What is the average annualreturn?

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

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

Note: Enter your answers for the average return and standard deviation as percentages. For thevariance, enter your answer as a decimal number.

a. The average return is %. (Enter your response as a percent rounded to two decimalplaces.)

b. The variance of the returns is (Round to five decimalplaces.)

c. The standard deviation is %. (Enter your response as a percent rounded to two decimalplaces.)