V2EX inferential statistics

Inferential Statistics

释义(中文) / Definition

推断统计学:统计学的一个分支,利用样本数据去推断、估计或检验关于总体(母体)的结论。常见内容包括参数估计、置信区间、假设检验、回归分析、方差分析等。(与 descriptive statistics“描述统计”相对:描述统计侧重整理与概括数据本身。)

发音(IPA) / Pronunciation

/nfrnl sttstks/

例句 / Examples

We used inferential statistics to estimate the average height of all students from a sample.
我们用推断统计学根据一个样本来估计全体学生的平均身高。

Inferential statistics helps researchers test whether an observed difference is likely due to chance or reflects a real effect in the population.
推断统计学帮助研究者检验观察到的差异是否可能只是偶然,还是反映了总体中的真实效应。

词源(中文) / Etymology

inferential 来自 infer(推断、推论),核心含义是“从已知信息推出未知结论”;statistics 源于与“国家/国情”相关的拉丁语词根,后来发展为以数据描述与推断规律的学科合起来即“用统计方法进行推断”的意思。

相关词汇 / Related Words

文学与著作中的用例 / Literary Works

  • All of Statistics: A Concise Course in Statistical Inference(Larry Wasserman)
  • Introduction to the Practice of Statistics(David S. Moore 等)
  • Statistics(Freedman, Pisani & Purves)
  • The Lady Tasting Tea: How Statistics Revolutionized Science in the Twentieth Century(David Salsburg)
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