 |
| |||
| probability sample; probability sampling | |||
| simple random sampling; random sampling | |||
| echantillonnage au hasard: 8 短语, 2 学科 |
| 数学 | 3 |
| 统计数据 | 5 |
|
| |||
| probability sample; probability sampling | |||
| simple random sampling; random sampling | |||
| echantillonnage au hasard: 8 短语, 2 学科 |
| 数学 | 3 |
| 统计数据 | 5 |