[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fAw5mqo5qjG-Bz3C7dYYVzKikRjKQavZaX5-h-DJZPLs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-12-11 17:43:56",260255008,[8,9,10,11],"直方图","箱式图","线图","条形图",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},31,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48962091","复习题1","描述某疾病患者年龄(岁)的分布,应采用的统计图是 ( )",[21,32,41,50,59,68,77,86,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],260255001,[25,26,27,28],"1\u002F5","2\u002F5","4\u002F5","3\u002F5","6件产品中有两件次品,从中任取两件,则两件都是正品的概率是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],260255002,[36,37,38,39],"置信度越高,估计可靠性越低","95%置信区间表示有95%的样本均数在此范围内","置信区间是总体参数的可信范围","置信区间越窄,估计精度越低","下列关于置信区间的说法,正确的是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],260255003,[45,46,47,48],"均服从正态分布且方差齐","无明确要求","方差齐即可","均服从正态分布即可","两独立样本均数比较的 t 检验,要求两样本所在总体( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],260255004,[54,55,56,57],"秩和检验","t检验","Kruskal-Wallis 检验","Wilcoxon 检验","在以下检验方法中,不属于非参数检验法的是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],260255005,[63,64,65,66],"当 x 每变化 1 个单位时,y 的平均变化量","当 x=0 时,y 的估计值","两变量的因果关系","两变量的相关程度","回归方程ŷ=a+bx中,b表示( )",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],260255006,[72,73,74,75],"Logistic 回归","单样本 t 检验","方差分析","多元线性回归","下列哪种统计方法不适用于多因素分析( )​​",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],260255007,[81,82,83,84],"Fisher 精确概率法","无法检验","校正卡方检验","普通卡方检验","对于四格表资料的卡方检验,当 n≥40 且有 1≤T<5 时,应采用( )",{"answer":87,"createTime":5,"id":6,"options":88,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],260255009,[93,94,95,96],"甲种药品滞销,乙种药品畅销","甲种药品滞销或乙种药品畅销","甲种药品滞销","甲、乙两种药品均畅销","以A表示事件"甲种药品畅销且乙种药品滞销",则其A的对立事件是( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":104,"source":30,"type":31},[],260255010,[102,102,102,103],"p","1-p","对一批次品率为p(0<p<1)的产品逐一检测,则第二次才检测到次品的概率为( )"]