[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fXiOsyF0xI55QSqmZz6ufc2J5VrbxrQnD_z_MTOMEydM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-12-07 19:30:25",253752729,[8,9,10,11],"两个变量之间是非线性关系","两个变量都是随机变量","自变量是随机变量,因变量不是随机变量","一个变量的数值增大,另一个变量的数值也应增大",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},15,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_47798370","学前儿童思维发展课后作业","下面的假定中,哪个属于相关分析中的假定( )",[21,32,35,44,53,62,71,80,90,99],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],253752728,[25,26,27,28],"一个变量的取值不能由另一个变量唯一确定","一个变量的取值由另一个变量唯一确定","一个变量的取值增大时另一个变量的取值肯定变小","一个变量的取值增大时另一个变量的取值也一定增大","具有相关关系的两个变量的特点是( )","v1",0,{"answer":33,"createTime":5,"id":6,"options":34,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":30,"type":31},[],253752730,[39,40,41,42],"&ndash;0.86","0.78","1.25","0","根据你的判断,下面的相关系数取值哪一个是错误的( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],253752731,[48,49,50,51],"由于x的变化引起的y的线性变化部分","由于y的变化引起的x的线性变化部分","除x和y的线性关系之外的随机因素对y的影响","由于x和y的线性关系对y的影响","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F02efa11a1e083666c4e3c6d057f3d3ab.webp\">",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],253752732,[57,58,59,60],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F20e81cab4441cb5f6403bae94aa90144.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff040e8ad41ab8969c7682622c8e15f5f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F68a179bc7b68fa65cc91fdb508fa7f5c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F053bbf6b325e985120f033800b9e1b18.png\">","如果两个变量之间存在负相关关系,下列回归方程中哪个肯定有误( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],253752733,[66,67,68,69],"0.8","0.89","0.64","0.40","若变量x与y之间的相关系数r=0.8,则回归方程的判定系数R2为( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],253752734,[75,76,77,78],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcf21fcf98aab65f51529769c4de0be75.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd1101693df67f72ef610fff3dd1dbb3c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcc118915aa44da19c8c4e6b3a11e92a5.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa9283e2d13bf29b84f4c2f93b4b99301.png\">","根据最小二乘法拟合直线回归方程是使( )",{"answer":81,"createTime":82,"id":83,"options":84,"question":89,"source":30,"type":31},[],"2025-12-10 15:02:23",258589002,[85,86,87,88],"具体形象思维","直觉行动思维","创造性思维","抽象逻辑思维","幼儿一边用手逐一滑动串珠一边在嘴里数数,这种思维是",{"answer":91,"createTime":82,"id":92,"options":93,"question":98,"source":30,"type":31},[],258589003,[94,95,96,97],"听觉辨别力弱","想象力非常丰富","语言理解凭借自己的具体经验","理解语言具有随意性","一名4岁幼儿听到教师说&quot;一滴水,不起眼&quot;,结果他理解成了&quot;一滴水,肚脐眼&quot;.这一现象主要说明幼儿",{"answer":100,"createTime":82,"id":101,"options":102,"question":107,"source":30,"type":31},[],258589004,[103,104,105,106],"经验性","固定性","抽象性","近视性","某孩子看见人生病时要打针吃药,当看到小树长虫时,她就从地上捡起一根小棍给树打针.这说明幼儿思维的"]