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