Five years of realized returns for CCC are given in the following table. Remember: While CCC 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. The historical returns for CCC for 2012 to 2015 are:

	2012	2013	2014	2015	2016
stock return	5%	3.40%	6%	8.40%	2.60%

Given the preceding data, the average realized re n on CCC's stock is __________

The preceding data series represents a sample of CCC's historical returns. Based on this conclusion, the standard deviation of CC's historical returns is ___________.

If investors expect the average realized return from 2012 to 2016 on CCC's stock to continue into the future, its coefficient of variation (CV) will be______________.