 |
| |||
| 分群样本; 成组样本 | |||
| 成群抽样样本; 群集抽样 | |||
| |||
| ★ 整群抽样 | |||
|
cluster sample : 8 phrases, 5 sujets |
| Agriculture | 1 |
| Commerce | 1 |
| Entreprise | 2 |
| Mathématiques | 2 |
| Sciences de la Terre | 2 |
|
| |||
| 分群样本; 成组样本 | |||
| 成群抽样样本; 群集抽样 | |||
| |||
| ★ 整群抽样 | |||
|
cluster sample : 8 phrases, 5 sujets |
| Agriculture | 1 |
| Commerce | 1 |
| Entreprise | 2 |
| Mathématiques | 2 |
| Sciences de la Terre | 2 |