standard deviation

English

Etymology

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

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

• Catalan: desviació estàndard f, desviació tipus f
• Chinese:

  Cantonese: 標準差／标准差 (biu¹ zeon² caa¹), 标准差 (biu¹ zeon² caa¹)

  Mandarin: 標準差／标准差 (zh) (biāozhǔnchā), 标准差 (zh) (biāozhǔn chā)

• Czech: směrodatná odchylka f
• Danish: standardafvigelse c
• Dutch: standaardafwijking (nl) f, standaarddeviatie (nl) f
• Esperanto: norma diferenco
• Finnish: keskihajonta (fi)
• French: écart type (fr) m
• German: Standardabweichung (de) f
• (deprecated template usage) {{trans-mid}}
• Greek: τυπική απόκλιση f (typikí apóklisi)
• Icelandic: staðalfrávik n
• 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)
• Malay: sisihan piawai
• Polish: odchylenie standardowe n
• Portuguese: desvio padrão m
• Russian: станда́ртное отклоне́ние n (standártnoje otklonénije)
• Spanish: desviación estándar f, desviación típica f
• Swedish: standardavvikelse c
• Tagalog: pamantayang liwas
• Thai: ส่วนเบี่ยงเบนมาตรฐาน (sùan-bìang-ben-mâat-rá-tăan)
• Welsh: gwyriad safonol m

Further reading

• standard deviation on Wikipedia.Wikipedia