Meanings
plural standard deviations
- mathematicsA 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
Synonyms & antonyms
nounA 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).
Origin
Coined by English mathematician, biometrician, and eugenicist Karl Pearson in 1894 in his paper "On the dissection of asymmetrical frequency curves".
Full word history & related roots →Translations
Afrikaans standaardafwyking
- standaardafwykingstatistical measure
Arabic انحراف معياري
- انحراف معياريstatistical measure
Bulgarian стандартно отклонение
- стандартно отклонение (standartno otklonenie)statistical measure
Catalan desviació estàndard, desviació tipus
- desviació estàndardstatistical measure
- desviació tipusstatistical measure
Chinese Cantonese 標準差 /标准差
- 標準差 /标准差 (biu¹ zeon² caa¹)statistical measure
Chinese Mandarin 標準差 /标准差
- 標準差 /标准差 (biāozhǔn chā)statistical measure
Czech směrodatná odchylka
- směrodatná odchylkastatistical measure
Danish standardafvigelse
- standardafvigelsestatistical measure
Dutch standaardafwijking, standaarddeviatie
- standaardafwijkingstatistical measure
- standaarddeviatiestatistical measure
Esperanto norma diferenco
- norma diferencostatistical measure
Estonian standardhälve
- standardhälvestatistical measure
Finnish keskihajonta
- keskihajontastatistical measure
French écart type
- écart typestatistical measure
German Standardabweichung
- Standardabweichungstatistical measure
Greek τυπική απόκλιση
- τυπική απόκλιση (typikí apóklisi)statistical measure
Hebrew סטיית תקן
- סטיית תקןstatistical measure
Icelandic staðalfrávik
- staðalfrávikstatistical measure
Indonesian simpangan baku
- simpangan bakustatistical measure
Italian scarto quadratico medio, deviazione standard
- scarto quadratico mediostatistical measure
- deviazione standardstatistical measure
- scarto tipostatistical measure
Japanese 標準偏差
- 標準偏差 (hyōjun hensa)statistical measure
Korean 표준 편차
- 표준 편차 (pyojun pyeoncha)statistical measure
Latvian standartnovirze
- standartnovirzestatistical measure
Lithuanian standartinis nuokrypis
- standartinis nuokrypisstatistical measure
Malay sisihan piawai
- sisihan piawaistatistical measure
Norwegian standardavvik
- standardavvikstatistical measure
Persian انحراف معیار
- انحراف معیارstatistical measure
Polish odchylenie standardowe
- odchylenie standardowestatistical measure
Portuguese desvio-padrão
- desvio-padrãostatistical measure
Russian станда́ртное отклоне́ние
- станда́ртное отклоне́ние (standártnoje otklonénije)statistical measure
Slovak smerodajná odchýlka
- smerodajná odchýlkastatistical measure
Spanish desviación estándar, desviación típica
- desviación estándarstatistical measure
- desviación típicastatistical measure
Swahili mkengeuko wastani
- mkengeuko wastanistatistical measure
Swedish standardavvikelse
- standardavvikelsestatistical measure
Tagalog pamantayang liwas
- pamantayang liwasstatistical measure
Thai ส่วนเบี่ยงเบนมาตรฐาน
- ส่วนเบี่ยงเบนมาตรฐาน (sùan-bìang-ben-mâat-rá-tăan)statistical measure
Ukrainian станда́ртне відхи́лення
- станда́ртне відхи́лення (standártne vidxýlennja)statistical measure
Urdu معیاری انحراف
- معیاری انحرافstatistical measure
Welsh gwyriad safonol
- gwyriad safonolstatistical measure
Cite this entry
standard deviation. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/standard%20deviation
“standard deviation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/standard%20deviation. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “standard deviation,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/standard%20deviation.
Source: standard deviation on Wiktionary, CC BY-SA 4.0.