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【单选题】
三个组方差齐性检验有显著性，可认为（）。
A.
σ12，σ22，σ32都不相等
B.
σ12，σ22，σ32不全相等
C.
μ1，μ2，μ3不全相等
D.
S1，S2，S3不全相等
E.
1，2，3，不全相等
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