在抽样推断中，样本统计量是( ）。[中央财经大学2015研]

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30462' and id < 2461237 and id<>'2461237' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30462' and id > 2461237 and id<>'2461237' order by id asc limit 5