1. While HDS was started 40 years ago, its common stock has been publicly traded for the past 25 years. 2. The returns on its equity are calculated as arithmetic returns. 3. The historical returns for HDS for 2012 to 2015 are: 2012 2013 2014 2015 2016 Stock return 13.75% 9.35% 16.50% 23.10% 7.15% Given the preceding data, the average realized return on HDS's stock is 13.97% The preceding data series represents of HDS's historical returns. Based on this conclusion, the standard deviation of HDS's historical returns is If investors expect the average realized return from 2012 to 2016 on HDS's stock to continue into the future, its coefficient of variation (CV) will be