Portfolio Return

Year-to-date, Oracle had earned a −1.45 percent return. During the same time period, Valero Energy earned 7.83 percent and McDonald's earned 0.54 percent.

If you have a portfolio made up of 30 percent Oracle, 25 percent Valero Energy, and 45 percent McDonald's, what is your portfolio return? (Round your answer to 2 decimal places.)

Portfolio return =  

Standard Deviation

The past five monthly returns for Kohl’s are 3.76 percent, 4.17 percent, −1.90 percent, 9.36 percent, and −2.78 percent. Compute the standard deviation of Kohls’ monthly returns. (Do not round intermediate calculations. Round your answer to 2 decimal places.)

Standard deviation =