 |
| |||
| sampling without replacement | |||
| 不 放回抽样: 5 phrases in 2 subjects |
| Statistics | 3 |
| Technology | 2 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips