若X1，X2，…，Xn为总体X～N(μ，σ2)的样本观察值，则σ2的最大似然估计值=( )

单项选择题

若X₁，X₂，…，X_n为总体X～N(μ，σ²)的样本观察值，则σ²的最大似然估计值=( )
A． B．
C． D．

A.174.24.96:6088/Latex/latex.action?latex=XGhhdHvPg31eMg%3D%3D'
B.C.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7MX17bn1cc3VtX3tpPTF9XntufShYX3tpfS3OvCleMg%3D%3D'
D.E.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7MX17bn1cc3VtX3tpPTF9XntufShYX3tpfS1cYmFye1h9KV5rLGs9MSwy4oCm'
F.G.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7MX17bi0xfVxzdW1fe2k9MX1ee259KFhfe2l9LVxiYXJ7WH0pXjI%3D'
H.I.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7MX17bn1cc3VtX3tpPTF9XntufShYX3tpfS1cYmFye1h9KV4y'

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