1. Suppose the returns for Stock A for last six years was 4%, 7%, 8%, -2%, 9%, and 7%. Compute the standard deviation of the returns.
2. Suppose a stock had an initial price of $87.5 per share, paid a dividend of $8.7 per share during the year, and had an ending share price of $84.77. What are the percentage returns?
3. You have observed the following returns on ABC's stocks over the last five years: 3.4%, 8.6%, -7.6%, 10.1%, -6.5% What is the arithmetic average returns on the stock over this five-year period.