1.

A. The returns on your portfolio over the last 5 years were -5%, 20%, 0%, 10% and 5%. What is the standard deviation of your return?

B. The returns on your portfolio over the last 5 years were -5%, 20%, 0%, 10% and 5%. What is the arithmetic average return?

C. Excelsior share is currently selling for $25 each. You bought 200 shares one year ago at $24 and received dividend payments of $1.50 per share. What was your total rate of return?