[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f93IKwNvy-tiEaGwPb-mFdRuy3P_-rzXo5XJ1moYhI9k":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":33,"type":34},[],"2024-03-16 15:22:09",134265562,[8,9,10,11,12],"每个正常成年男子","全部正常成年男子","能调查到且愿意接受调查的全部正常成年男子红细胞数的集合","全部正常成年男子的红细胞数的集合","正常成年男子的红细胞数",{"count":14,"courseId":15,"courseImg":16,"courseName":17,"workId":18,"workName":19},12,"5d26f141679442ef595ce90410412245","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0070f66058a708485721091e956ac7c3.jpg","预防医学B、C-2023-2024第二学期-韩淑华","65baca1815ee4c51bd36b3612225a1ae","医学统计学的几个基本概念","调查1998年某地正常成年男子的红细胞数,总体是1998年该地",[22,35,45,55,65,75,85,95,98,109],{"answer":23,"createTime":24,"id":25,"options":26,"question":32,"source":33,"type":34},[],"2024-03-16 15:22:08",134265550,[27,28,29,30,31],"体重(kg)","血型(A、B、O、AB)","血红蛋白(g\u002FL)","坐高指数(%,坐高\u002F身高)","白细胞计数(个\u002FL)","1.下列资料为定性资料的是","v1",0,{"answer":36,"createTime":24,"id":37,"options":38,"question":44,"source":33,"type":34},[],134265552,[39,40,41,42,43],"P=0.05","P≤0.05","P>0.05","P<0.05","P≥0.05","统计学的小概率事件是指随机事件发生的概率",{"answer":46,"createTime":24,"id":47,"options":48,"question":54,"source":33,"type":34},[],134265554,[49,50,51,52,53],"测定60名正常成年女性血小板数所得资料只能是计量资料","统计工作步骤中最重要的是分析资料","概率是描述某随机事件发生的可能性大小的指标","样本一定具有随机性","样本的指标称为参数","下列说法正确的是",{"answer":56,"createTime":24,"id":57,"options":58,"question":64,"source":33,"type":34},[],134265556,[59,60,61,62,63],"随机抽样即随意抽取个体","为了能使样本更好地代表总体,抽样时应精心挑选个体","抽样时应使总体中的每一个观察单位都有同等机会被抽取","抽样时样本量越大越好","随机抽样的首要目的是减少成本,以最小的花费达到预期结果","关于随机抽样,下列正确的是",{"answer":66,"createTime":5,"id":67,"options":68,"question":74,"source":33,"type":34},[],134265558,[69,70,71,72,73],"P≤1","P≥0","0<P<1","0≤P≤1","-1≤P≤1","随机事件的概率P的取值范围是",{"answer":76,"createTime":5,"id":77,"options":78,"question":84,"source":33,"type":34},[],134265560,[79,80,81,82,83],"计量资料","计数资料","等级资料","研究数据","一般资料","欲研究某校132名高级知识分子的血清胆固醇情况,测定出的数值变量资料称为",{"answer":86,"createTime":5,"id":87,"options":88,"question":94,"source":33,"type":34},[],134265561,[89,90,91,92,93],"专题调查研究","观察性研究","社区干预研究","半试验性研究","实验研究中的临床试验","某单位为研究新药的降压效果,随机地将研究对象分为两组,一组用新药治疗,另一组则沿用传统疗法(对照组),通过观察两组疗效判定新药是否较优.此种搜集资料的方法属于",{"answer":96,"createTime":5,"id":6,"options":97,"question":20,"source":33,"type":34},[],[8,9,10,11,12],{"answer":99,"createTime":100,"id":101,"options":102,"question":108,"source":33,"type":34},[],"2024-03-16 15:22:10",134265563,[103,104,105,106,107],"该地所有的30~49岁健康男子","该地每一个30~49岁健康男子","该地30~49岁男子的血清白蛋","该地所有30~49岁健康男子的血清白蛋白值","随机抽取的这132名男子的血清白蛋白值","为研究某地30~49岁健康男子的血清白蛋白平均水平,随机抽查了其中的132名男子,问本次研究的总体是",{"answer":110,"createTime":100,"id":111,"options":112,"question":114,"source":33,"type":34},[],134265564,[103,104,113,106,107],"该地每一个30~49岁健康男子的血清白蛋白值","为研究某地30~49岁健康男子的血清白蛋白平均水平,随机抽查了其中的132名男子,问本次研究的观察单位是"]