The rates of return on ABC Company stock over the last 6 years were 15 percent, -2 percent, 7 percent, 13 percent, -15 percent, and 20 percent. Calculate the variance and standard deviation for ABC Company.

Group of answer choices

.01663; 12.89 percent

.01663; 12.09 percent

.01386; 11.77 percent

.06330; 11.77 percent

.01386; 12.09 percent