Estimators | Mean squared errors, MSE for varying sample sizes, n | ||
N | n = 30 | n = 60 | n = 90 |
| 3.94 | 1.78 | 1.11 |
Product estimator, | 3.17 | 1.67 | 0.72 |
Ratio estimator, | 2.06 | 0.92 | 0.59 |
Regression estimator, | 1.52 | 0.67 | 0.39 |
Exponential product estimator, | 1.59 | 0.78 | 0.58 |
Exponential ratio estimator, | 1.35 | 0.66 | 0.45 |
Exponential ratio-product estimator, | 1.63 | 0.82 | 0.59 |
Exponential ratio-product estimator | 1.25 | 0.62 | 0.42 |
Modified regression estimator (Proposed) | 1.05 | 0.44 | 0.29 |
Modified regression estimator (Proposed) | 0.92 | 0.41 | 0.25 |