西格玛 xī gé mǎ

(symbol for standard deviation in statistics)

Word data

HSK Not in HSK
Frequency 34899th word

Definitions

  1. 1. (symbol for standard deviation in statistics)
  2. 2. sigma (Greek letter Σσ)

Characters

Character Meaning
西 xī HSK 1
west; the West; abbr. for Spain 西班牙xī bān yá
格 gé HSK 4
standard; rule; pattern
玛 mǎ
agate; cornelian