【单选题】配对四格表中,为比较两样本 所 代表的总体率有无差别,下列说法正确的是
D.
其自由度与独立样本四格表卡方检验的自由度相同
【单选题】Dangerous goods required to be“carried on deck only”should not be carried on closed vehicle decks,but may be carried on open vehicle deck when authorized by the competent authority concerned.
【单选题】Which kind of job that the bullocks do is NOT mentioned in the passage?
C.
Pumping water out if wells
D.
Carrying food baskets.
【单选题】Which of the following is NOT true according to passage?
A.
The street walkers in the vehicle accidents can be forgiven in some accidents.
B.
The irresponsibility of many vehicle accidents should not be left alone on drivers.
C.
Many cyclists ignore their responsibility in following traffic regulations.
D.
The cyclists don't have to obey the rules of the road.
【单选题】配对四格表中,用卡方检验比较两样本所代表的总体率有无差别,下列说法正确的是?
D.
其自由度与独立样本四格表卡方检验的自由度相同
【单选题】配对四格表中,用卡方 检验比较两样本所代表的总体率有无差别,下列说法正确的是
B.
其自由度与独立样本四格表 卡方 检验的自由度相同
【单选题】配对四格表中,用卡方检验比较两样本所代表的总体率有无差别,下列说法正确的是
E.
其自由度与独立样本四格表卡方检验的自由度相同
【简答题】阅读二(11分) 十岁那年,我在一次作文比赛中得了第一。母亲那时候还年轻,急着跟我说她自己,说她小时候的作得还要好,老师甚至不相信那么好的文章会是她写的。“老师找到家来问,是不是家里的大人帮了忙。我那时可能还不到十岁呢。”我听得扫兴,故意笑:“可能?什么叫可能还不到?”她就解释。我装作根本不再注意她的话,对着墙打乒乓球,把她气得够呛。不过,我承认她聪明,承认她是世界上长得最好看的女的。她正给自...