 |
| |||
| stratificeret stikprøve; stratificeret udvælgelse | |||
|
stratified sampling : 4 phrases in 2 subjects |
| Finances | 2 |
| Statistics | 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