An investor has researched financial information for Dixie Chicken Corporation over the past three years. He has provided you a report with the returns for the company.
YEAR RETURN
2011 4.80%
2012 7.00%
2013 14.34%
The investor put $696.00 into Dixie Chicken in 2011. What is the standard deviation for the returns?
Answer Format: Percentage Round to: 2 decimal places (Example: 9.24%, % sign required. Will accept decimal format rounded to 4 decimal places (ex: 0.0924))