Please use the data in the table below and answer the next two questions. Assume each state is equally likely.
| State | Stock A | Stock B |
| Recession | 6% | -20% |
| Normal | 7% | 13% |
| Boom | 11% | 33% |
What is the standard deviation (volatility) of Stock A? What is the standard deviation (volatility) of Stock B?
