[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fvR5xluDD33fbqr4AhS6442cvBD2S08MB8EFhFJNFwk4":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",299109700,[8,9,10,11],"数据收集","数据再利用","数据分析","数据存储",{"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","","大数据时代,数据使用的最关键是( )",[21,32,41,50,59,68,77,86,95,104],{"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":70,"options":71,"question":76,"source":30,"type":31},[],299109696,[72,73,74,75],"祖冲之","牛顿","高斯","高尔顿","&quot;回归&quot;一词最早是()引进来的",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],299109697,[81,82,83,84],"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":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],299109698,[90,91,92,93],"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":96,"createTime":5,"id":97,"options":98,"question":103,"source":30,"type":31},[],299109699,[99,100,101,102],"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":105,"createTime":5,"id":6,"options":106,"question":19,"source":30,"type":31},[],[8,9,10,11]]