| 释义 |
chi-squareenUK
chi-square C0309800 (kī′skwâr′)n. A test statistic that is calculated as the sum of the squares of observed values minus expected values divided by the expected values.chi-square n (Statistics) statistics an inferential statistic common in survey research chi′-square` (ˈkaɪ)
n. a statistical quantity equal to the summation over all variables of the quotient of the square of the difference between the observed and expected values divided by the expected value of the variable. [1935–40] EncyclopediaSeeChi-Square Distributionchi-squareenUK
chi-square (χ2), (kī'skwār), A statistical technique whereby variables are categorized to determine whether a distribution of scores is due to chance or experimental factors.chi-square (χ2) (kī'skwār) A statistical technique whereby variables are categorized to determine whether a distribution of scores is due to chance or experimental factors. chi-square (χ2) (kī'skwār) A statistical technique whereby variables are categorized to determine whether a distribution of scores is due to chance or experimental factors. |