MAT 3377 Lecture 3: MAT3377 notes 5
20 Dec 2018
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5 2 one stage cluster samplingusing srswor in one stage cluster sampling we select all units 5sos in the selected cluster. Let u yi be the pop w n clusters where i l suppose we take clusters then we have l mi a srswor of n clusters 5 measure all units as a srswor of n clusters totals. N j ies ti in the selected can treat as n p. P s select t t can be treated as srswor wit size2 ti as yi we can estimate t by treat. Eunb in ti under one stage clustersampling w srswor. Var emb n fl f vat emb nyi f ft. Ivar imb when mi m l fu stana. Select n clusters from the pop of n clusters. Select mi units from the ith selected cluster containing mi units. 0 observe every unit in the selected cluster. Unlike the one stage we don"t measure every unit in the selected clusters.
