Sample Survey Techniques |
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accuracy Amer analysis of variance apply Asso assumed average bias binomial type blocks bus tires calculated chosen coefficient of variation comparison complete population Confidence limits consider cost function dealers double sampling enumeration equal equation estimated mean estimato example field finite population correction formula given gives Hansen and Hurwitz Hence households Jessen Jour large sample large unit M₁ mean per s.u. mean square methods of estimation negligible non-response normally distributed number of farms obtained optimum allocation population mean population total procedure ratio estimate regression estimate sample estimate sample mean Sample Surveys sampling error Sampling Methods sampling rate sampling unit selected simple random sample Stat Statistical strata stratified random sample stratified sampling sub-units subsampling systematic sample Table taken term th stratum th unit Theorem total number type of sampling unbiased estimate ΣΝ