题目内容

配对计量资料,差值分布不服从正态分布,应选用

A. 配对t检验
B. F检验
C. 卡方检验
D. 配对比较的符号秩和检验
E. 两样本比较的秩和检验

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秩和检验中,秩和T与P的关系

A. T落在界值范围内,则P小于相应概率
B. T落在界值范围内,则P大于相应概率
C. T落在界值范围外,则P 大于相应概率
D. T落在界值范围上,则P 大于相应概率
E. T落在界值范围上,则P 小于相应概率

秩和检验与t检验相比,其优点是

A. 计算简便,应用范围广,不受分布的限制
B. 计算公式更加合理
C. 检验效能更高
D. 抽样误差更小
E. 所需样本量更小

Naomi: Well, it’s called a “self-help book”. It teaches you how to (1) _____ goals and achieve them.Hector : That sounds interesting. What does it say?Naomi: It says here “It is becoming more and more difficult to get a good job and make enough money. To be (2) _ in life, you need to set goals.”Mateo: That makes (3) _. Goals give your life a sense of direction.Naomi: That’s right! “First you need to (4) _ your goal. Then you need to make a plan for achieving your goal.”Hector: Could you explain that a little more?Naomi: You can’t just cross your fingers and say “I hope my dreams come true.” You have to make a plan that goes (5) _ by step. My dream, for example, is to be a graphic artist. So first I have to go to art school. Then I’ll get a(n) (6) _____. That’s my plan for the next three years.Mateo: That sounds like a good plan.

Naomi is reading a book about setting goals.

A. 对
B. 错