对于一元线性回归模型，如果自变量是显著的，那么自变量所对应的系数应该显著 不为0。（ )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id < 2461403 and id<>'2461403' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30464' and id > 2461403 and id<>'2461403' order by id asc limit 5