TY  - BOOK
AU  - JAIN, Savita
TI  - Stratified sampling over two occasions
U1  - T 519.5 J20S 
PY  - 1987///
CY  - Ludhiana
PB  - PAU
KW  - SAMPLING (STATISTICS)
KW  - SIMPLRANDOM SAMPLING
KW  - STRA TIFFED SAMPLING
KW  - SUCCESSIVE SAMPLING
N2  - Two estimates have been proposed for estimating the mean of the population units as the second occasion when stratified random sampling has been used for selections of the samples at both the occasions The Bias, variance and estimate of variance for propo
ER  -