Research Article
Optimum Stratification Using Dynamic Programming with a Mixture of Ratio and Product Estimators under Super Population Model
Table 1
Optimum strata boundaries, sample size, and total variance for log-normally distributed auxiliary variables.
| L (no. of strata) | OSB | (sample size) | Total variance |
| 2 | 4.2643 | 102 | 1.6355 | 98 |
| 3 | 6.1785 9.3972 | 70 | 1.0576 | 64 | 66 |
| 4 | 2.7314 5.3049 11.7431 | 52 | 0.8513 | 51 | 47 | 50 |
| 5 | 1.9742 3.1857 7.2533 13.5943 | 40 | 0.6501 | 42 | 40 | 41 | 37 |
| 6 | 1.6476 3.9182 7.5193 11.4136 15.9548 | 34 | 0.4925 | 36 | 32 | 31 | 35 | 32 |
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