Returns earned over a given time period are called realized returns. Historical data on realized returns is often used to estimate future results. Analysts across companies use realized stock returns to estimate the risk of a stock. Five years of realized returns for Blue Llama Mining Inc. (Blue Llama) are given in the following table: 2009 2010 2011 2012 2013 Stock return 11.25% 7.65% 13.50% 18.90% 5.85% Also note that: 1. While Blue Llama was started 40 years ago, its common stock has been publicly traded for the past 25 years. 2. The returns onBlue Llama's equity are calculated as arithmetic returns. Given this return data, the average realized return on Blue Llama Mining Inc.'s stock is The preceding data series represents of Blue Llama's historical returns. Based on this conclusion, the standard deviation of Blue Llama's historical returns is If investors expect the average realized return on Blue Llama Mining Inc.'s stock from 2009 to 2013 to continue into the future, its expected coefficient of variation (CV) is expected to equal