Estimator

Remarks

1

0

0

0

1

Usual RSS mean estimator

1

0

0

1

0

Usual RSS ratio estimaotr

0

0

1

0

Kadilar et al. (2009) ratio type estimator

1

0

0

1

Regression type estimator

1

0

0

1

Difference type estimator

1

0

1

0

Difference-ratio estimator

0

1

0

Generalied difference-ratio estimator

1

0

1

0

Regression-ratio estimator

1

0

1

1

0

Exponential type estimator

1

1

1

0

Regression-exponential type estimator