Cochran W.G.
Sampling Techniques - Америк John Wiley Sons 1977 - 427
simple random sampling sampling proportions and percentages the estimation of sample size stratified random sampling further aspects of stratified sampking ratio estimators regression estimators single-stage cluser sampling: clusters of equal sizes subsampling with units of unequal sizes sources of error in surveys
sampling statistics mathematics
Sampling Techniques - Америк John Wiley Sons 1977 - 427
simple random sampling sampling proportions and percentages the estimation of sample size stratified random sampling further aspects of stratified sampking ratio estimators regression estimators single-stage cluser sampling: clusters of equal sizes subsampling with units of unequal sizes sources of error in surveys
sampling statistics mathematics