让S1和S2 ^ 2 ^ 2分别表示,n和m的独立随机选取样本的方差正态分布μ1和μ2和方差σ^ 2的共同手段.如果μ1和μ2未知,构建静床似然比检验：σ^
做法不会
翻译及做法Let S1^2 and S2^2 denote ,respectively,the variances of
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