chi-square noun.
[kʌɪ'skwɛ:] E20.[from CHI + SQUARE noun: is used conventionally to represent the square root of the sum of the squares of differences between observed and theoretical data.]In full
chi-square test. A significance test used in the statistical comparison of observed and theoretical values.
■ chi-squared adjective designating such a test
M20. [TahlilGaran] English Dictionary ▲