The rate of return on Cherry Jalopies, Inc., stock over the last five years was 18 percent, 11 percent, -2 percent, 7 percent, and 10 percent. Over the same period, the return on Straw Construction Companys stock was 16 percent, 21 percent, -2 percent, 4 percent, and 13 percent.

Calculate the variances and the standard deviations for Cherry and Straw.