[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$frhrsLt_HZfvNjqA5KAZsTK_1kNki8tKV0LOY11VuiUU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-01-02 12:06:47",222279435,[8,9,10,11],"倒数模型","多项式模型","半对数模型","对数模型",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},68,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_46628836","第三章-多元线性回归模型","常见的可线性化的非线性回归模型主要有( )",[21,32,41,50,59,68,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],222279430,[25,26,27,28],"有效性","不一致性","一致性","无偏性","对于线性回归模型,各回归系数的普通最小二乘估计具有的优良特性有( )","v1",1,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],222279431,[36,37,38,39],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd1c513604a62f765b71391bcf7683859.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2fc3d496f3ce1605b1c4ca186fc99ebf.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F09d5ab36f3c7ab97c4695f4b15b67365.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F99df77d0e98ae55825325ac236d68cc1.gif\">","对模型\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd243302221ba77314e4ce1321d5e1ca1.gif\">进行总体显著性(F)检验,如果检验结果总体线性关系显著,则有( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],222279432,[45,46,47,48],"解释变量是随机变量","被解释变量是随机变量","被解释变量是非随机变量","解释变量是非随机变量","在多元线性回归分析中,定义( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],222279433,[54,55,56,57],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8d83a1a86cae9f6e05d8981dce5c02b3.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc6937db71bb3965803ff81b8e70d3fa6.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Faedeb9b5db77c5e64dfe93cd17e8c4de.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbff739cc2fb3b2218700e70dc6d21eaa.gif\">","若模型\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc875f230ec0ee336bc8e790f0d11a346.gif\">满足古典假定,则下列各式成立的有( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],222279434,[63,64,65,66],"解释变量变动所引起的被解释变量的变差","被解释变量的回归值与平均值的离差平方和","被解释变量的总变差与剩余变差之差","被解释变量的实际值与平均值的离差平方和","回归变差(或回归平方和)是指( 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src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5cf3f39483afd0cb6da796b4d6ead120.gif\">相差越大","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5cf3f39483afd0cb6da796b4d6ead120.gif\">与\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5b5955825f0b4c832e1aad362ca035c7.gif\">均非负","判断多元线性回归模型拟合优度时,使用\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5b5955825f0b4c832e1aad362ca035c7.gif\">","多重可决系数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5cf3f39483afd0cb6da796b4d6ead120.gif\">与修正的可决系数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5b5955825f0b4c832e1aad362ca035c7.gif\">之间的关系描述不正确的有( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],222279438,[93,94,95,96],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7f01544b2c6751d4384cc69a1171fc65.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F519b89bffb1cd0f8c4a4a89b8a71f2f4.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3249cec787ddbde575a230c422ef7589.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F81e7f8abaadf5bf869cb6fa56e59c71d.gif\">","关于多重可决系数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5cf3f39483afd0cb6da796b4d6ead120.gif\">的公式正确的有( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],222279439,[102,103,104,105],"尽可能少的解释变量个数","能得到模型中参数的唯一估计值","所得到的参数估计值的符号与理论预期相符","有较强的预测能力","一个好的计量模型应具备的条件包括( )"]