• 2022-06-19
    设[tex=1.214x1.286]UpoBhCOHpgM3WBN8/HN9kg==[/tex]、[tex=1.214x1.286]uJ59fZmdx5G3NtjtqTlh4w==[/tex]是来自总体[tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex]的一个简单随机样本,则最有效的无偏估计是
    未知类型:{'options': ['[tex=6.929x2.0]nbxsMkVGI3AoZ1mQTSBW2829W5MTHUFbJ8VczWbiWs4xHBxvL/2AReW9y9YPHEaoyvSdagFIst0FabnCFpHHAw==[/tex]', '[tex=6.929x2.0]JhHcaKI0JCY5jB9QNaMoVkYRybmNiFwtq3txEWeiNBGNp8j/MdjT3CnCE76XhF9Gf29ofxKk/4LBAI+RiO46aA==[/tex]', '[tex=6.929x2.0]JhHcaKI0JCY5jB9QNaMoVhe/FrrS0A0bmkxMm6PlBej05RbpSZNSyx7lU2/WfZBQptfLs4LD0eULQYbcodUIAQ==[/tex]', '[tex=6.929x2.0]JhHcaKI0JCY5jB9QNaMoVn27PVA9iS9/BQCuUq2eOFcCnKhhoScoNQPyUPk+NnGKm4RKpkFs12+DKKb5KaRiMg==[/tex]'], 'type': 102}