Revision history of "Stratified sample"

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  • (cur | prev) 23:49, 25 January 2011‎ Caseorganic (Talk | contribs)‎ . . (610 bytes) (+610)‎ . . (Created page with '"A probability sample in which people are selected because they come from distinct sub-groups within the society. This approach may be used by ethnographers if the information tâ€Ĥ')