Five years ago you decided to purchase Bubbly Corp. stock. The stock has had annual returns of -5 percent, 9 percent, 12 percent, 7 percent, and 3 percent for the past five years, respectively. What is the standard deviation of returns for this stock? Multiple Choice 6.78 percent 6.18 percent 7.23 percent 7.89 percent 6.57 percent

Five years ago you decided to purchase Bubbly Corp. stock. The stock has had annual returns of 5 percent, 9 percent, 12 percent, 7 percent, and 3 percent for the past five years, respectively. What is the standard deviation of returns for this stock? Multiple Choice 678 percent 6 61a pericent 723 percent 799 percent 6.57 percent