variance

CEFRB2

/ˈvɛə.ɹi.əns/

noun

Türkçe translations

Translating…

In plain English

  1. 01

    noun

    A difference or change from an expected amount or standard.

  2. 02

    noun

    Extra detail

    A difference between what is expected and what is observed; deviation.

Examples

  • A random variable is definitely a constant if the variance is zero.

  • I need to calculate the mean and the variance.

At a glance

Sits at B2 on the CEFR scale

Senses
5
Parts of speech
1
Citations
5

Also pronounced

  • /ˈveː.ɹi.əns/
  • /ˈviə.ɹi.əns/

Deep Dive

noun

Extra meanings

  1. The state of differing or being in conflict.

  2. The act of varying or the state of being variable.

  3. An official permit to do something that is ordinarily forbidden by regulations.

More examples

In context

  • Depending on the variance of the type constructor, the subtyping relation of the simple types may be either preserved, reversed, or ignored for the respective complex types.

  • This remains an important tool and relies on simple subtraction to evaluate the difference ( variance ) between a planned result and an actual measurement.

  • But here, again, is the old variance between nature and fortune: each seems to delight in marring the work of the other.

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

There was a large blank between the two test results, causing confusion.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

noun

From Middle English variance, variaunce, equivalent to vary + -ance, from Old French variance or directly from Anglo-Latin variaunce, veriaunce, wariaunce; all from Latin variantia.