TY  - BOOK
AU  - MEHTA, S.K
TI  - Some contributions to the theory of sampling
U1  - T 519.52 M52S 
PY  - 1982///
CY  - Ludhiana
PB  - PAU
KW  - SAMPLING (STATISTICS)
KW  - AUXILIARY INFORMATION
KW  - OPTIMUM STRATIFICATION TWO PHASE SAMPLIN
N2  - Optimum strata boundaries have been obtained for the three estimation methods considered using the solution of minimal equations The lower limits of the variance of the estimator of population total in all the three cases are obtained Considering a survey
ER  -