试题与答案

若r=0.40,经假设检验得P A.可以认为两变量存在直线关系 B.尚不能认为两变量

题型:单项选择题 A1型题

题目:

若r=0.40,经假设检验得P<0.05()

A.可以认为两变量存在直线关系

B.尚不能认为两变量存在直线关系

C.两变量相关关系密切

D.尚不能认为两变量存在相关关系

E.不能得出总体相关系数p≠0的结论

答案:

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参考答案:B解析:ASCII 码本是二进制代码,而 ASCII 码表的排列顺序是十进制数,包括英文小写字母、英文大写字 母、各种标点符号及专用符号、功能符等。字母“m”与“q”之间相差 4,6DH 转换为十进制...

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Gifted with an amazing IQ between 220 and 230, Terence Tao makes it to this list of the people with the highest IQ in the world. Born in Adelaide, Australia in 1975, this genius first displayed his incredible intelligence at a mere age of 2, when he managed to solve basic arithmetic questions on his own. At the age of 16, he graduated with both Master's and Bachelor's degrees at the Flinders University. He has been considered as ''Mr. Fix it " by Charles Fefferman, who is a professor of Mathematics at Princeton University, and many other mathematicians want to interest him in their problems.

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At the age of 16, he was already working with NASA on its project to conquer planet Mars. After he was awarded the Ph.D. at Princeton University, he went back to California Institute of Technology.

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小题1:About William, which of the following is true?

A.His IQ reached between 220 and 230.

B.At the age of 16, he graduated from a grammar school.

C.At the age of 6, he graduated with both Master's and Bachelor's degrees.

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A.3

B.4

C.5

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A.William

B.Terence Tao

C.Christopher Hirata

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B.at the age of 2, Terence solved basic arithmetic questions on his own

C.Christopher Hirata is a Japanese

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