HDS was started 40 years ago, its common stock has been publicly traded for the past 25 years. The returns on its equity are calculated as arithmetic returns.

2011 2012 2013 2014 2015

Stock return 10.00% 6.80% 12.00% 16.80% 5.20%

Given the preceding data, the average realized return on HDSs stock is (10.16% , 25.40% , 31.50% , 20.32%) pick oneThe preceding data series represents (The universe, the population, sample) pick one of HDSs historical returns. Based on this conclusion, the standard deviation of HDSs historical return is (3.52% , 4.08% , 6.16% , 4.57%) pick one If investors expect an average realized return on HDSs stock 2011 to 2015 to continue into the future, what will be its coefficient of variation (CV) (0.83 , 0.45 , 0.38 , 0.52) pick one