Table 14 RE of stratified and calibrated memory-type ratio and product estimators based on EEWMA at different values of ρ, \(\:{\lambda\:}_{1}=0.25,\:0.50,\:0.75\), \(\:{\lambda\:}_{2}=\:0.05,\:0.15,\:0.20\), and sample sizes \(\:n\).
From: Innovative memory-type calibration estimators for better survey accuracy in stratified sampling
ρ | n | RE | |||||
---|---|---|---|---|---|---|---|
λ1 = 0.25, λ2 = 0.05 | λ1 = 0.50, λ2 = 0.15 | λ1 = 0.75, λ2 = 0.20 | λ1 = 0.25, λ2 = 0.05 | λ1 = 0.50, λ2 = 0.15 | λ1 = 0.75, λ2 = 0.20 | ||
0.05 | 10 | 9.44 | 12.46 | 15.06 | 132.33 | 107.00 | 127.50 |
20 | 8.47 | 12.63 | 15.15 | 117.00 | 130.18 | 129.00 | |
30 | 8.53 | 12.43 | 15.11 | 133.00 | 135.43 | 126.27 | |
50 | 8.37 | 12.44 | 15.40 | 119.00 | 115.40 | 125.11 | |
200 | 8.14 | 12.73 | 15.76 | 60.00 | 145.00 | 140.00 | |
500 | 7.67 | 13.75 | 15.29 | 24.00 | 58.00 | 113.00 | |
0.25 | 10 | 95.91 | 14.09 | 17.33 | 146.11 | 146.90 | 147.29 |
20 | 9.27 | 14.47 | 17.44 | 160.00 | 141.73 | 142.67 | |
30 | 9.42 | 14.28 | 17.63 | 142.67 | 148.00 | 143.50 | |
50 | 9.39 | 14.31 | 17.37 | 126.50 | 155.75 | 149.25 | |
200 | 9.00 | 14.11 | 17.64 | 6.00 | 155.00 | 149.00 | |
500 | 10.50 | 12.75 | 16.50 | 26.00 | 62.00 | 121.00 | |
0.50 | 10 | 10.65 | 18.44 | 22.39 | 171.38 | 168.30 | 172.53 |
20 | 10.80 | 18.34 | 22.59 | 17.75 | 168.50 | 174.05 | |
30 | 10.83 | 18.80 | 22.43 | 154.00 | 185.83 | 167.54 | |
50 | 10.44 | 18.20 | 22.72 | 138.50 | 169.50 | 163.38 | |
200 | 11.75 | 20.50 | 22.30 | 17.50 | 170.00 | 163.50 | |
500 | 9.00 | 23.00 | 22.00 | 27.00 | 67.80 | 129.00 | |
0.75 | 10 | 13.44 | 28.94 | 35.33 | 187.63 | 201.22 | 202.94 |
20 | 13.45 | 29.47 | 35.85 | 190.75 | 205.00 | 210.35 | |
30 | 14.00 | 29.35 | 36.06 | 170.33 | 206.17 | 156.73 | |
50 | 14.08 | 28.93 | 35.41 | 151.00 | 182.75 | 202.00 | |
200 | 14.00 | 33.33 | 39.20 | 74.00 | 183.00 | 175.50 | |
500 | 16.00 | 41.00 | 39.00 | 29.00 | 74.00 | 142.00 | |
0.95 | 10 | 18.83 | 69.27 | 87.80 | 230.57 | 227.24 | 233.38 |
20 | 18.65 | 69.23 | 91.32 | 198.25 | 241.75 | 235.88 | |
30 | 18.77 | 76.38 | 88.77 | 124.00 | 216.17 | 226.45 | |
50 | 18.63 | 72.60 | 86.50 | 162.50 | 257.00 | 250.33 | |
200 | 19.00 | 89.00 | 88.50 | 79.00 | 196.00 | 185.50 | |
500 | 15.00 | 36.00 | 69.00 | 3.00 | 78.00 | 150.00 |