standard deviation

English

Etymology

Coined by English mathematician, biometrician, and eugenicist Karl Pearson in 1894 in his paper "On the dissection of asymmetrical frequency curves".

Pronunciation

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Noun

standard deviation (plural standard deviations)

1. (statistics) A measure of how spread out data values are around the mean, defined as the square root of the variance. Represented with the Greek letter σ (sigma).

Synonyms

• standard error
• sigma

Translations

statistical measure

Albanian: devijimi standard Arabic: انحراف معياري Azerbaijani: orta kvadratik meyl Belarusian: стандартнае адхіленьне n (standartnaje adxiljenʹnje) Bulgarian: стандартно отклонение n (standartno otklonenie) Catalan: desviació estàndard f, desviació tipus f Chinese: Cantonese: 標準差 / 标准差 (biu1 zeon2 caa1) Mandarin: 標準差 / 标准差 (zh) (biāozhǔn chā) Czech: směrodatná odchylka f Danish: standardafvigelse c Dutch: standaardafwijking (nl) f, standaarddeviatie (nl) f Esperanto: norma diferenco Estonian: standardhälve Finnish: keskihajonta (fi) French: écart type (fr) m Galician: desviación típica German: Standardabweichung (de) f Greek: τυπική απόκλιση f (typikí apóklisi) Hebrew: סטיית תקן Icelandic: staðalfrávik n Indonesian: simpangan baku Italian: scarto quadratico medio m, deviazione standard (it) f, scarto tipo m Japanese: 標準偏差 (ja) (ひょうじゅんへんさ, hyōjun hensa) Korean: 표준 편차(標準偏差) (ko) (pyojun pyeoncha) Kurdish: Central Kurdish: لادانی پێوانەیی (ladanî pêwaneyî) Latvian: standartnovirze Lithuanian: standartinis nuokrypis Macedonian: стандардно отстапување n (standardno otstapuvanje) Malay: sisihan piawai (ms) Norwegian: standardavvik Persian: انحراف معیار (fa) Polish: odchylenie standardowe (pl) n Portuguese: desvio-padrão m Russian: станда́ртное отклоне́ние n (standártnoje otklonénije) Slovak: smerodajná odchýlka f Slovene: standardna deviacija f Spanish: desviación estándar f, desviación típica f Swedish: standardavvikelse (sv) c Tagalog: pamantayang liwas Thai: ส่วนเบี่ยงเบนมาตรฐาน (sùan-bìang-ben-mâat-rá-tăan) Ukrainian: станда́ртне відхи́лення n (standártne vidxýlennja) Urdu: معیاری انحراف Welsh: gwyriad safonol m Zazaki: tadena standardi

Further reading

• standard deviation on Wikipedia.Wikipedia