回归模型中假定误差项s是一个服从正态分布的随机变量，且相互独立。（ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id < 2461401 and id<>'2461401' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id > 2461401 and id<>'2461401' order by id asc limit 5