问题如下图:
选项:
A.
B.
C.
解释:
B和C错在哪里啦?
a t-test of the fferenbetween the two population means. approximate t-test of mefferences between the two populations. A is correct. The sample sizes for both the funmanager anthe consultant’s accounts consists of forty quarterly perio of returns. However, the consultant’s client accounts are a subset of the funmanager’s entire account base. such, they are not inpennt samples. When samples are pennt, a pairecomparisons test is appropriate to contests of the fferences in pennt items 老师,这题是什么意思
老师好,B的意思感觉就是pairecomparisons test的定义啊,pairecomparisons test不就是针对U= u1-u2吗
请问老师,表格里的这些检验对应的名字是Z检验、T检验、X2卡方检验和F检验吗?
提问请问是从题干哪里看出来两者是不独立的事件,即关联事件。谢谢老师
你好,请问一下B和C是同一个意思么?谢谢