题目内容

用于全面描述正态分布资料特征的指标是

A. 算术均数
B. 标准差
C. 均数与标准差
D. 均数与极差
E. 中位数与四分位数

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A. impede
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A young man sees a sunset and.unable to understand or express the emotion that it () in him,concludes that it must be the gateway to a world that lies beyond.

A. reffects
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D. radiates

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A. lay up
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C. make off
D. put away

We need one hundred more signatures before we take the () to the governor.

A. plea
B. petition
C. patent
D. claim

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