multiple stratification
| without
| control of substrata
| multiple stratification | |
| math. | estratificación múltiple |
| without | |
| gen. | sin |
| control of substrata | |
| stat. | control de los subestratos; control de substratos |
| |||
| estratificación múltiple | |||
|
multiple stratification : 2 phrases in 1 subject |
| Statistics | 2 |