4. Measuring standalone risk using realized data Returns earned over a given time period are called realized returns. Historical data on realized returns is often used to estimate future retulti: Analysts across companies use realized stock returns to estimato the risk of a stock. Five years of realized retums for Blue Lama Mining Inc. (Blue Llama) are given in the following table: Also note that: 1. While Blue Llama was started 40 years ago, its common stock has been publicly traded for the past 25 yearn. 2. The returns on Blue Llama's equity are calculated as arithmetic returns. Given this return data, the average realized return on Elue Liama Mining Inc's stock is Also note that: 1. While Blae Llama was started 40 years ago, its common stock has been publicly traded for the past 25 years. 2. The returns on Blue Llama's equity are calculated as arithmetic returns. Given this return dats, the average realized return on Blue Llama Mining Incis stock is The preceding data series represents a sample of Blue Llama's historical returns. Based on this conclusion, the standard deviaten of giue Llema i historical returms is If Investors expect the average realized return on Biue Llams Mining incis stock from 2016 to 2020 to continue into the future, its expected caefficient of varlation (CV) is expected to equal