t分布曲线的特点有（）。 -题库考试答案搜索网

t分布曲线的特点有（）。

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2021-12-25 21:36

A、两侧对称
B、曲线的最高点比正态分布的高
C、曲线形态与样本自由度有关
D、自由度无限增大时，t分布就趋近标准正态分布
E、自由度逐渐减小时，t分布就趋近正态分布

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正确答案

A| C| D

试题解析

标签：卫生统计学放射卫生(医学高级) 传染性疾病控制疾病控制(医学高级)

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