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【单选题】
下列不属于“明示”的信息传递方式是( )
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文件
B.
报告
C.
面谈
D.
指示
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举一反三
【简答题】Complete the following sentences with the appropriate forms of the nouns given 1. The mother looked on in at her children's sufferings. (agony) 2. Mary went through finishing her exam paper. (agony) 3...
【简答题】Complete the following sentences with the appropriate forms of the nouns given. Some nouns can be used as uncountable nouns when they refer to a thing in general and count nouns when they refer to a a...
【单选题】两样本均数比较的t检验,按0.05的检验水准,犯第一类错误的概率为________。
A.
.05
B.
>0.05
C.
≤0.05
D.
不一定
【判断题】为了提高加工效率,螺纹加工时主轴转速应该越高越好
A.
正确
B.
错误
【单选题】两样本均数的 t 检验,按 α=0.05 检验水准拒绝 H 0 ,若此时推断有误,其错误的概率为
A.
0.05
B.
> 0.05
C.
< 0.05
D.
不一定
【简答题】His method of teaching is based on _________________. (experience) Mr. Fordham had some curious and novel _________________. (experience)
【单选题】两样本均数比较的t检验,P<0.05,按a=0.05水准,认为两总体均数不同。此时若推断有误,则犯第一类错误的概率
A.
P<0.05
B.
P>0.05
C.
P=0.05
D.
P=0.95
E.
P未知
【单选题】两样本均数的 t 检验,按 α=0.05 的检验水准拒绝 H0,若此时推断有误,其错误的概率是
A.
0.05
B.
>0.05
C.
<0.05
D.
不一定
【简答题】Mr. Fordham had some curious and novel ____. (experiences)
【判断题】水环式真空泵属于特殊类型泵。
A.
正确
B.
错误
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