对完全随机设计两样本比较的Wiloxon秩和检验描述不正确的是()
A.将两组数据统由小到大编秩
B.遇到相同数据在同组时,按顺序编秩
C.遇到相同数据在同组时,取平均秩次
D.遇到相同数据不在同组时,按顺序编秩
E.遇到相同数据不在同组时,取平均秩次
A.将两组数据统由小到大编秩
B.遇到相同数据在同组时,按顺序编秩
C.遇到相同数据在同组时,取平均秩次
D.遇到相同数据不在同组时,按顺序编秩
E.遇到相同数据不在同组时,取平均秩次
A、用t检验
B、用Wilcoxon秩和检验
C、t检验或Wilcoxon秩和检验均可
D、资料符合t检验还是Wilcoxon秩和检验条件
Instroduction to Letters to Sam Dear Reader, Please allow me to tell you something before you read this book. When my36 ,Sam, was born, my heart was filled with joy. I had been sitting in a wheelchair for 20 years before then,and I have been37ill many times.So I wonderfuled if would have the38to tell Sam what I had39. For years I have been hosting a program on the40and writing articles for a magazine.Being41to move freely,I have learned to sit still and keep my heart42, exchanging thoughts with thousands of listeners and43. So when Sam was born ,I44to tell him about school and friendship,Romance and work,Love and everything else. That’s how I started to write these45. I hoped that Sam would46them sooner or later. However,that expedition47when Sam showed signs of autism(自闭症)at the age of two.He had actually stopped talking before the discovery of the signs.He48to communicate with others,even the family members.That was49for me but didn’t stop me writing on.I realized that I had even50now to tell him.I wanted him to51what it means to be “different ”from others,and learn how to fight against the misfortune he’ll52as I myself,his grandfather,did. I just53if I could write all that I wanted to say in the rest of my life. Now,54the book has been published,I have been given the chance.Every chapter in the book is a letter to Sam:some about my life,and all about what it means to be a55. Daniel GOttliebe
|
20. ________of both sides, the two companies decided to _______ to become more competitive in the global market.
|
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!