【单选题】对于四格表资料的 X 2 检验,其自由度为
【单选题】listen and say (听录音选择正确的回复语)
【单选题】listen and say (听录音选择正确的回复语)
A.
They live too far away.
B.
I miss them very much .
C.
No, but I often call them.
【判断题】四格表资料的卡方检验其检验统计量的自由度等于1。
【单选题】listen and say (听录音选择正确的回复语)
B.
sure , what is the problem?
【单选题】listen and say (听录音选择正确的回复语)
A.
I like to make new friends.
B.
I join a club and make friends there.