Table 2 PREs values of different estimators of \(\overline{Y}\) with respect to \(\overline{y}\).

From: Efficient class of estimators for finite population mean using auxiliary attribute in stratified random sampling

Different values of scalars

Estimators

\(a_{st}\)

\(b_{st}\)

\(t_{1}\)

\(t_{1\left( e \right)}\)

\(t_{2}\)

\(t_{2\left( e \right)}\)

\(t_{3}\)

\(t_{4}\)

\(t_{5}\)

\(t_{6}\)

\(t_{7}\)(γ = -1)

\(t_{7\left( m \right)}\)(γ = -1)

\(t_{8}\)(δ = -1, η = 1)

\(C_{{\phi \left( {st} \right)}}\)

NP

101.82

101.75

92.28

96.75

102.00

103.17

103.17

103.17

3366.42

1.71E+10

1.49E+11

1

NP

101.82

101.75

92.28

96.75

102.00

103.17

103.17

103.17

3363.75

1.21E+09

1.06E+10

\(\beta_{{2\phi \left( {st} \right)}}\)

NP

101.82

101.75

92.28

96.75

102.00

103.17

103.17

103.17

3318.90

6.68E+06

5.84E+07

\(C_{{\phi \left( {st} \right)}}\)

\(\beta_{{2\phi \left( {st} \right)}}\)

101.82

101.75

92.28

96.75

102.00

103.17

103.17

103.17

3308.06

4.44E+06

3.88E+07

1

\(\beta_{{2\phi \left( {st} \right)}}\)

101.82

101.75

92.28

96.75

102.00

103.17

103.17

103.17

3162.20

3.43E+05

3.02E+06

\(C_{{\phi \left( {st} \right)}}\)

1

101.82

101.75

92.28

96.75

102.00

103.17

103.17

103.17

2786.33

3.47E+04

3.10E+05

1

\(C_{{\phi \left( {st} \right)}}\)

101.82

101.75

92.28

96.75

102.00

103.17

103.18

103.17

1747.40

2.33E+03

2.02E+04

\(\beta_{{2\phi \left( {st} \right)}}\)

1

101.82

101.75

92.28

96.75

102.00

103.17

103.18

103.17

1573.86

1.70E+03

1.43E+04

\(\beta_{{2\phi \left( {st} \right)}}\)

\(C_{{\phi \left( {st} \right)}}\)

101.82

101.75

92.28

96.75

102.00

103.17

103.18

103.17

1519.10

1.55E+03

1.29E+04

NP

\(\beta_{{2\phi \left( {st} \right)}}\)

101.82

101.75

92.28

96.75

102.00

103.17

103.18

103.17

1515.26

1.54E+03

1.28E+04

NP

1

101.82

101.75

92.28

96.75

102.00

103.17

103.18

103.17

1499.67

1.50E+03

1.24E+04

NP

\(C_{{\phi \left( {st} \right)}}\)

101.82

101.75

92.28

96.75

102.00

103.17

103.18

103.17

1498.76

1.50E+03

1.24E+04

1

0

101.82

101.75

92.28

96.75

102.00

103.17

103.18

103.17

1498.43

1.50E+03

1.24E+04