Research Article
Optimum Stratification Using Dynamic Programming with a Mixture of Ratio and Product Estimators under Super Population Model
Table 2
Optimum strata boundaries, sample size, and total variance for gamma distributed auxiliary variables.
| L (no. of strata) | OSB | (sample size) | Total variance |
| 2 | 6.7495 | 195 | 3.2544 | 105 |
| 3 | 5.7664 9.7621 | 135 | 3.0827 | 119 | 46 |
| 4 | 4.6904 8.3862 12.9146 | 99 | 2.9811 | 103 | 78 | 20 |
| 5 | 4.1198 7.6971 11.2892 14.7314 | 76 | 2.0572 | 92 | 69 | 41 | 22 |
| 6 | 6.5385 9.3508 16.2272 19.0509 23.9069 | 72 | 1.7821 | 87 | 82 | 42 | 32 | 17 |
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