[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7QWgrNkounzJv6gtrN3a3QD7sVMF6vBOe0ynFVLhMNo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-01-01 17:14:18",299109696,[8,9,10,11],"祖冲之","牛顿","高斯","高尔顿",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},80,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_168105923","",""回归"一词最早是()引进来的",[21,32,41,50,59,68,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],299109691,[25,26,27,28],"中位数","众数","算术平均数","方差","下述指标哪个不是平均数","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],299109692,[36,37,38,39],"按照实际情况抽样样本","按照个人喜好抽取样本","按照随机性原则抽样样本","按照某人的指示抽取样本","概率抽样的基本原理是()",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],299109693,[45,46,47,48],"饼图","直条图","直方图","散点图","双变量资料适合使用()",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],299109694,[54,55,56,57],"距离就近原则","相关系数最大原则","方差最小原则","方差最大原则","判别分析的基本原则是()",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],299109695,[63,64,65,66],"故意隐藏不利数据,只展示对自己有利的部分","只关注成功案例,忽略大量失败案例","忽略样本量的大小","用平均数掩盖数据的真实分布情况","下述统计陷阱中哪个属于幸存者偏差( )",{"answer":69,"createTime":5,"id":6,"options":70,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],299109697,[75,76,77,78],"平均数改变,方差改变","平均数改变,方差不变","平均数不变,方差不变","平均数不变,方差改变","如果给定数组中每一个数都减去同一个非零常数,则数据的()",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],299109698,[84,85,86,87],"总指数","综合指数","个体指数","平均数指数","甲产品报告期产量与基期产量的比值是110%,这是()",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],299109699,[93,94,95,96],"指标之间的聚类和变量之间的聚类","变量之间的聚类和样品之间的聚类","指标之间的聚类和总体之间的聚类","样品之间的聚类和总体之间的聚类","聚类分析包括哪两种类型()",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],299109700,[102,103,104,105],"数据收集","数据再利用","数据分析","数据存储","大数据时代,数据使用的最关键是( )"]