Youve observed the following returns on Glacier Grills stock over the past five years: 13 percent, 13 percent, 20 percent, 25 percent, and 10 percent. Based on these returns, the stocks arithmetic average return over the period was 11%. What was the standard deviation of companys returns over this period?

Group of answer choices

13.49%

9.34%

11.34%

10.04%

14.65%