题目内容
（请给出正确答案）
服从正态分布资料的原始数据都乘以一个常数k(k＞o)
A.均数不变，标准差不变
B.均数不变，标准差改变
C.均数改变，标准差不变
D.均数变为k倍，标准差变为k倍
E.均数变为kn倍，标准差变为k（n-1）倍
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更多“服从正态分布资料的原始数据都乘以一个常数k（k＞o)A.均数…”相关的问题
第1题
What is the best title for the passage？
A．The Meanings of Different Colors.
B．Colors and Jobs.
C．The Meanings of Black and White.
D．Expressions and Colors.
第2题
Look______ the different meanings of these words in a dictionary.
A．out
B．for
C．up
D．on
第3题
Look______ the different meanings of these words in a dictionary.
A．out
B．for
C．up
D．on
第4题
What's the difference between the word "hat" and word "chapeau"？
A．The objects they refer to are slightly different in shape.
B．They refer to the same object with different language symbols.
C．They express different meanings to different people.
D．They show people's different tastes in their choice of language.
第5题
Look______ the different meanings of these words in a dictionary.
A．out
B．for
C．up
D．on
第6题
The phenomenon that words having different meanings have the same form. is called ______.
A．hyponymy.
B．synonymy.
C．polysemy.
D．homonymy.
第7题
______ refers to the phenomenon that words of different meanings have the same form.
A．Polysemy
B．Synonymy
C．Homonymy
D．Hyponymy
第8题
______ refers to the phenomenon that words of different meanings have the same form.
A．Polysemy
B．Synonymy
C．homonymy
D．hyponymy
第9题
______ refers to the phenomenon that words of different meanings have the same form.
A．Polysemy
B．Synonymy
C．Homonymy
D．Hyponymy
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