A Product-Type Estimator in Double Sampling

1981 ◽  
Vol 23 (7) ◽  
pp. 721-724 ◽  
Author(s):  
S. K. Ray ◽  
R. Karan Singh
Keyword(s):  
Product Type ◽  
Double Sampling

A Class of Ratio Cum Product-Type Estimator in Double Sampling

1982 ◽  
Vol 24 (4) ◽  
pp. 419-424 ◽  
Author(s):  
B. V. S. Sisodia ◽  
V. K. Dwivedi
Keyword(s):  
Product Type ◽  
Double Sampling

scholarly journals ESTIMATION OF POPULATION VARIANCE IN LOG – PRODUCT TYPE ESTIMATORS UNDER DOUBLE SAMPLING SCHEME

2019 ◽  
pp. 11-20
Author(s):  
Prabhakar Mishra ◽  
Rajesh Singh ◽  
Supriya Khare
Keyword(s):  
Random Sampling ◽  
Auxiliary Information ◽  
Simple Random Sampling ◽  
Product Type ◽  
Sampling Scheme ◽  
Double Sampling ◽  
Population Variance ◽  
Population Mean ◽  
Ancillary Information

It is experienced that auxiliary information when suitably incorporated yields more efficient and precise estimates. Mishra et al. (2017) have introduced a log type estimator for estimating unknown population mean using ancillary information in simple random sampling. Here we propose an improved log-product type estimator for population variance under double sampling. Properties of the estimators are studied both mathematically and numerically.  

On Double Sampling Ratio-Cum-Product-Type Estimator with Independent Samples

1982 ◽  
Vol 24 (5) ◽  
pp. 517-521 ◽  
Author(s):  
B. V. S. Sisodia ◽  
V. K. Dwivedi
Keyword(s):  
Product Type ◽  
Double Sampling ◽  
Sampling Ratio
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