题目内容
直线相关系数的假设检验，其自由度为
2021-02-02
A.n
B.n-1
C.n-2
D.2n-1
E.2n-2
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='10706' and id < 854663 and id<>'854663' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='10706' and id > 854663 and id<>'854663' order by id asc limit 5