Second quartile (Median) of standard deviation of attributes of the numeric type.
| cylinder-bands (1) | 5.9431940671244 |
| hypothyroid (1) | 5.574309768618 |
| hayes-roth_test (1) | 5.5718391093364 |
| hayes-roth_train (1) | 5.5206884113723 |
| heart-h (1) | 5.6311489423098 |
| page-blocks (1) | 5.8155636228832 |
| anneal (1) | 69.853385290461 |
| autos (1) | 6.8864431309418 |
| glass (1) | 5.8822867645339 |
| lymph (1) | 0.83662706315418 |
| hepatitis (1) | 17.720561047292 |
| heart-c (1) | 5.574309768618 |