V2EX hypothesis test

Hypothesis Test

Definition 释义

假设检验:统计学中用样本数据来评估某个关于总体的假设(通常是零假设 H)是否合理的方法;通过计算检验统计量与 p 值(或与显著性水平 α 比较)来决定是否拒绝 H。(该词组在统计推断里最常用;也有更广义的“对假设进行测试/检验”的用法。)

Pronunciation 发音(IPA)

/hapθss tst/

Examples 例句

A hypothesis test tells you whether the result is likely due to chance.
假设检验会告诉你这个结果是否很可能只是偶然造成的。

After checking the assumptions, we ran a two-sided hypothesis test and rejected the null hypothesis at the 5% level.
在检查前提条件后,我们进行了双侧假设检验,并在 5% 的显著性水平下拒绝了零假设。

Etymology 词源

hypothesis 来自希腊语 hypóthesis,意为“假设、前提”;test 来自拉丁语 testum / testis 相关词根,后来引申为“检验、试验”。合在一起即“对假设进行检验”,在现代统计学中发展为一套规范的推断程序。

Related Words 相关词

Notable Works 文学/著作例证

  • Ronald A. Fisher:《The Design of Experiments》(《实验设计》)
  • George Casella & Roger L. Berger:《Statistical Inference》(《统计推断》)
  • David Salsburg:《The Lady Tasting Tea》(《品茶的女士》)
  • Freedman, Pisani & Purves:《Statistics》(《统计学》)
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