TY  - BOOK
AU  - Cochran,William Gemmell
TI  - Sampling techniques / 
SN  - 047116240X
U1  - 519.52 
PY  - 1972///
CY  - New York
PB  - Wiley
KW  - Sampling (Statistics)
N1  - Includes index
; 1.	Introduction
2.	Simple random sampling
3.	Sampling for proportions and percentages
4.	The estimation of sample size
5.	Stratified random sampling
6.	Ratio estimates
7.	Regression estimates
8.	Systematic sampling
9.	Types of sampling unit
10.	Subsampling with units of equal size
11.	Subsampling with units of unequal size
12.	Double sampling
13.	Sources of error in surveys

ER  -