تنقية بواسطة: الموضوع
السجلات المعروضة 1 -- 4 من 1
| Conventional stratified estimator (1) |
| Murthy's estimator (1) |
| Neyman's allocation (1) |
| Stratified population (1) |
| Conventional stratified estimator (1) |
| Murthy's estimator (1) |
| Neyman's allocation (1) |
| Stratified population (1) |