方差分析中，检验时既可以采用双侧检验，也可以采用单侧检验。（ ）[西南财大2001研]

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30463' and id < 2461357 and id<>'2461357' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30463' and id > 2461357 and id<>'2461357' order by id asc limit 5