V2EX variance analysis

Variance Analysis

释义 Definition

variance analysis差异分析/方差分析(语境不同)。常见有两类用法:

  1. 管理会计/经营分析中:把实际结果预算/标准/计划进行对比,分解并解释差异来源(如价格差异、数量差异)。
  2. 统计学中:围绕数据的变异程度(variance,方差)进行分析(更常见的专门术语是 analysis of variance,即 ANOVA)。

发音 Pronunciation (IPA)

/vrins nlss/

例句 Examples

We did a variance analysis to compare actual costs with the budget.
我们做了差异分析,把实际成本与预算进行对比。

After the quarter ended, the finance team ran a variance analysis, broke the gap into price and volume effects, and explained the main drivers to management.
季度结束后,财务团队做了差异分析,把差距拆分为价格与销量因素,并向管理层解释主要驱动原因。

词源 Etymology

variance 来自拉丁语 varire(“变化、使不同”),强调“差异/变动”;analysis 来自希腊语 analyein(“分开、解开”),引申为“分解研究”。合在一起,字面意思就是“把差异拆开来分析”。

相关词 Related Words

文学与著作 Literary Works

  • Horngren’s Cost Accounting: A Managerial Emphasis(管理会计教材中常用“variance analysis”讲解标准成本差异)
  • Management and Cost Accounting(Colin Drury)(涉及预算控制与差异分析的经典教材)
  • Financial Planning & Analysis and Performance Management(讨论FP&A流程中差异分析的应用)
  • Analysis of Variance(Hinkelmann & Kempthorne)(虽更偏向统计学“方差分析/ANOVA”,但与该短语密切相关)
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