also: カイにじょうけんてい
chi-square test; chi-squared test
A statistical test used to determine if there is a significant association between categorical variables. Domain-specific term in mathematics and statistics.
We used a chi-square test to analyze the survey results.
カイ二乗検定は、観測値と期待値の差を評価する。
The chi-square test evaluates the difference between observed and expected values.
t-test is used for comparing means of continuous data, while chi-square test is for categorical data.
Statistical hypothesis testing is the broader category; chi-square test is one specific method.
Standard kanji-katakana spelling for the chi-square test.
Alternate reading with にじょう for 二乗; both are used.
From English 'chi-square test'. カイ is the katakana rendering of the Greek letter χ (chi), 二乗 means 'squared', and 検定 means 'test' or 'verification'.