Please help

Question 16 (2.5 points) () Listen The historical stock returns for TechFluent, Inc. are shown below: Year Return 1 13.8% 2 -5.6% 3 26.6% 4 14.2% 5 -5.6% 6 36.4% 4.3% 8 -4.1% What is the standard deviation of returns for TechFluent, Inc. stock over this 8-year period. (Compute the standard deviation assuming this is a population of returns, not a sample - that is, use the procedure described in the textbook for calculating the standard deviation of a series of stock returns). Record your answer as a percent, rounded tofone decimal place, but do not include a percent sign in your answer. For example, enter 0.1578658 = 15.78625% as 15.8. Your