Estimator

Ratio

MSE

1.5

2.8

4.8

1.5

2.8

4.8

(3)

5.84

9.55

10.94

1.58E−07

1.74E−07

1.78E−07

(4)

4.31

4.43

3.39

7.25E−08

2.48E−08

9.76E−09

(5)

1.3

1

0.69

3.62E−09

2.70E−08

6.08E−09

(6)

3.45

1.85

1.6

6.58E−08

9.53E−09

4.08E−09

(7)

2.9

4.68

5.26

2.20E−08

3.04E−08

2.75E−08

(8)

2.14

2.17

1.72

8.61E−09

5.24E−09

8.86E−09

(9)

2.9

4.67

5.37

2.17E−08

2.79E−08

2.43E−08

(10)

2.14

2.17

1.68

2.38E−08

2.04E−08

1.73E−08