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词汇
chi-square
释义
chi-square
AHD
[kīʹskwârʹ]
D.J.
[ˈkaɪˈskweə]
K.K.
[ˈkaɪˈskwɛr]
n.
(名词)
A test statistic that is calculated as the sum of the squares of observed values minus expected values divided by the expected values.
X2:一种检测数据,用某量观测值和理论值之差的平方除以该理论值所得商之总和
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更新时间:2025/7/6 9:12:39