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

• Audio (US):

  (file)

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