Friedman秩和检验适用于()
A.多组定量资料比较随机区组设计符合正态分布、方差齐
B.多组定量资料比较随机区组设计符合非正态分布或方差不齐
C.多组定量资料比较完全随机设计符合正态分布、方差齐
D.多组定量资料比较完全随机设计符合非正态分布或方差不齐
A.多组定量资料比较随机区组设计符合正态分布、方差齐
B.多组定量资料比较随机区组设计符合非正态分布或方差不齐
C.多组定量资料比较完全随机设计符合正态分布、方差齐
D.多组定量资料比较完全随机设计符合非正态分布或方差不齐
第5题
第6题
下面分别给出了某城市在春季(9周)和秋季(10周)发生的案件数.
春季 | 51 | 42 | 57 | 53 | 43 | 37 | 45 | 49 | 46 | |
秋季 | 40 | 35 | 30 | 44 | 33 | 50 | 41 | 39 | 36 | 38 |
试取α=0.03用秩和检验法检验春季发生的案件数的均值是否较秋季的为多.
第7题
How does Mark Friedman respond to parents' requests to choose teachers?
A.He blames them.
B.He cheats them.
C.He promises to consider them.
D.He promises to satisfy them.
第8题
The book by Meyer Friedman and Ray H. Rosenman most probably discusses ________.
A) friendliness and hostility
B) trust and mistrust of people
C) heart diseases and death rate
D) people’s characters and their blood types
第9题
A.please
B.devote
C.involve
D.succeed
第10题
A.Y
B.N
C.NG
第11题
What do we learn about Mark Friedman's remarks about parents choosing teachers?
A.He assured that parents' requests would be reconsidered.
B.He assured that parents' requests would be guaranteed.
C.He warned that parents who requested a teacher pay more.
D.He warned that parents who got what they wish for may regret later.