[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fby5s-pFCxyBH2Dxu7i_csTFaVQNTM_Wb6o3ws_G4eM4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":27,"type":58},[],"2026-01-03 08:12:07",256185940,[8,9,10,11],"相关","相容","互不相关","不作要求",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},88,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_46703032","第三章作业new","在古典回归模型的假定中,要求随机误差项之间( )",[21,29,34,39,49,59,62,71,80,89],{"answer":22,"createTime":23,"id":24,"options":25,"question":26,"source":27,"type":28},[],"2025-11-29 06:46:32",244598232,[],"ABB标准I\u002FO板提供的常用信号处理有 DI、 DO、模拟输入AI、模拟输出AO等等","v1",2,{"answer":30,"createTime":23,"id":31,"options":32,"question":33,"source":27,"type":28},[],244598233,[],"常用的标准I\u002FO板有DSQC651和 .ABB标准I\u002FO板是挂在 网络上的,所以要设定模块在网络中的地址",{"answer":35,"createTime":23,"id":36,"options":37,"question":38,"source":27,"type":28},[],244598234,[],"设定I\u002FO板在总线中的地址时,进入到配置系统参数界面后,DeviceNet Address的值要设为",{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":27,"type":48},[],256185938,[43,44,45,46],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd1c513604a62f765b71391bcf7683859.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F99df77d0e98ae55825325ac236d68cc1.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F09d5ab36f3c7ab97c4695f4b15b67365.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2fc3d496f3ce1605b1c4ca186fc99ebf.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( )",1,{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":27,"type":58},[],256185939,[53,54,55,56],"解释变量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F08c2fc06e2932581a33f198b8faa7466.gif\">对被解释变量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5f2836cfb8771c19ba099f261c8f40cb.gif\">的影响是显著的","解释变量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc47098c0e4adfa3a3d9e3d58d00374c4.gif\">、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F08c2fc06e2932581a33f198b8faa7466.gif\">对被解释变量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5f2836cfb8771c19ba099f261c8f40cb.gif\">的影响均不显著","解释变量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc47098c0e4adfa3a3d9e3d58d00374c4.gif\">对被解释变量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5f2836cfb8771c19ba099f261c8f40cb.gif\">的影响是显著的","解释变量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc47098c0e4adfa3a3d9e3d58d00374c4.gif\">、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F08c2fc06e2932581a33f198b8faa7466.gif\">对被解释变量\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5f2836cfb8771c19ba099f261c8f40cb.gif\">的联合影响是显著的","在模型\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8178a6c1258c4126d3a56ccbe620a881.gif\">的回归结果分析中,有F=263489.23,对应的p值为0.0000,这表明( )",0,{"answer":60,"createTime":5,"id":6,"options":61,"question":19,"source":27,"type":58},[],[8,9,10,11],{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":27,"type":58},[],256185941,[66,67,68,69],"剩余变差","回归变差","可决系数","修正的可决系数","在多元线性回归模型中,回归平方和与总离差平方和的比值称为( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":27,"type":58},[],256185942,[75,76,77,78],"被解释变量的变化中可以用回归模型来解释的部分","解释变量的变化中未被回归模型来解释的部分","解释变量的变化中可以用回归模型来解释的部分","被解释变量的变化中未被回归模型来解释的部分","在估计线性回归模型时,可以将总平方和分解为回归平方和与残差平方和,其中回归平方和表示( )",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":27,"type":58},[],256185943,[84,85,86,87],"回归平方和","总离差平方和","残差平方和","剩余平方和","表示由解释变量所解释的部分,表示x对y的线性影响",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":27,"type":58},[],256185944,[93,94,95,96],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc6a3a344c4f6ff6762ecc0da89505cbd.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fee619d4ff8ab8c83d55dc345327a7514.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbc745e5d840a46eda2ca71187a15878b.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F433d112fe3a5f60fac13cbad432a9e79.gif\">","可决系数的取值范围是( )"]