chi1 [k??]
¦ noun the twenty-second letter of the Greek alphabet (?, ?), transliterated as 'kh' or 'ch'.
Phrases
chi-square test a statistical method assessing the goodness of fit between a set of observed values and those expected theoretically.
Origin
from Gk.
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chi2 [ki:]
(also qi or ki)
¦ noun the circulating life force whose existence and properties are the basis of much Chinese philosophy and medicine.
Origin
from Chin. qi, lit. 'air, breath'.