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单词
chi-square
释义
WordReference Random House Unabridged Dictionary of American English © 2024
chi-square
(kī
′
skwâr′),
USA pronunciation
n.
[
Statistics.
]
Statistics
a 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
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更新时间:2025/7/31 11:37:24