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| 单词 | chi-square test |
| 释义 | chi-square test in British Englishnoun statistics a test derived from the chi-square distribution to compare the goodness of fit of theoretical and observed frequency distributions or to compare nominal data derived from unmatched groups of subjects chi-square test in American Englishnoun Statistics a test devised by Karl Pearson that uses the quantity chi-square for testing the mathematical fit of a frequency curve to an observed frequency distribution Also: chi-squared test (ˈkaiˌskwɛərd) Word origin [1935–40]This word is first recorded in the period 1935–40. Other words that entered Englishat around the same time include: aeroembolism, blitz, fluorocarbon, gangbuster, walk-throughExamples of 'chi-square test' in a sentence |
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