1. 63.5% 25.4% 50.80% 78.74%

2. the universe, the population, a sample; 8.79%, 15.41%, 11.41%, 10.21%

3. 0.83, 0.45, 0.38, 0.52

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 Celestial Crane Cosmetics Inc. (CCC): Five years of realized returns for CCC are given in the following table. Remember: 1. While CCC was started 40 years ago, its common stock has been publicly traded for the past 25 years. 2. The returns on its equity are calculated as arithmetic returns. 3. The historical returns for CCC for 2014 to 2018 are: 2014 2015 2016 2017 2018 Stock return 25.00% 17.00% 30.00% 42.00% 13.00% Given the preceding data, the average realized on CCC's stock is of CCC's historical returns. Based on this conclusion, the standard deviation of CCC's The preceding data series represents historical returns is If investors expect the average realized return from 2014 to 2018 on CCC's stock to continue into the future, its coefficient of variation (CV) will be