【判断题】非参数检验方法不依赖于特定的总体分布类型。
【单选题】以下对非参数检验的描述错误的是
D.
一般情况下非参数检验犯第二类错误的概率小于参数检验
【单选题】对某片剂进行脆碎度检查,测试前片剂的总重量为6.621g;测试后片剂的总重量6.593g;该片剂的脆碎度是多少?( ):
【判断题】在Excel2003中,管理宏就是新建宏、移动宏、复制宏及删除宏。
【单选题】[音频] 根据音频选择正确的答案。 How did Bob get the money to buy his new car?
A.
He put solar panels on his roof.
B.
He got a second job with a solar panel company.
C.
He worked on his roof.
【简答题】他长得又高又壮。他长着一双大眼睛,短发。