Find the sample standard deviation of returns using the data in the table:
| Stock Returns | |
| Year | Return pa |
| 2008 | 0.3 |
| 2009 | 0.02 |
| 2010 | -0.2 |
| 2011 | 0.4 |
The returns above and standard deviations below are given in decimal form.
Find the sample standard deviation of returns using the data in the table:
| Stock Returns | |
| Year | Return pa |
| 2008 | 0.3 |
| 2009 | 0.02 |
| 2010 | -0.2 |
| 2011 | 0.4 |
The returns above and standard deviations below are given in decimal form.