The rates of return on Cherry Jalopies, Inc., stock over the last five years were 13 percent, 11 percent, ?2 percent, 2 percent, and 15 percent. Over the same period, the returns on Straw Construction Company’s stock were 16 percent, 18 percent, ?1 percent, 3 percent, and 10 percent.
Calculate the variances and the standard deviations for Cherry and Straw.