 |
| |||
| довільна вибірка | |||
| рандомізована проба | |||
| випадкова вибіркова сукупність | |||
| випадкова вибірка | |||
|
random sample : 9 phrases in 2 subjects |
| Economy | 3 |
| Mathematics | 6 |
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