题目内容
经方差分析,若P小于α,则结论是
2021-10-11
A.各样本均数全相等
B.各样本均数不全相等
C.至少有两个样本均数不等
D.至少有两个总体均数不等
E.各总体均数全相等
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25429' and id < 2141938 and id<>'2141938' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25429' and id > 2141938 and id<>'2141938' order by id asc limit 5