Do No Harm: 7I Attempts: 3. Measuring standalone risk using realized (historical) data 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. Consider the case of Blue lama Mining Inc. (BLM): Five years of ralized returns for BLM are given in the folowing table. Remember: 1. While BLM was started 40 years ago, its common stock has been publicly traded for the past 25 2. The returns on its equity are calculated as arithmetic returns 3. The historical returns for BLM for 2012 to 2016 are: 2012 2013 2014 2015 2016 Stock return 3.75% 2.55% 4.50% 6.30% 1.95% Given the preceding data, the average realized return on Burs stock is 381% The preceding data series represents asampleof tandard deviation of BLM's historical returns is of BLM's historical returns. Based on this conclusion, the espect the average realized return from 2012 to 2016 on BLM's stock to continue into the future, its coefficient of variation (cv) wil be 3 s lock troloptioncommand