[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f_-fr4L6V6yhS5sugL6WwHrkpwk1GEjGpyNLD6xuLJT0":3},{"id":4,"source":5,"question":6,"options":7,"answer":13,"related":14,"type":26,"origin":121,"createTime":116},211488161,"v1","\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Fbfe27612e0c8b71c917ba60a2bf6bd1e.png\">表示",[8,9,10,11,12],"总体均数的离散程度","变量值x的可靠程度","样本均数的标准差","变量值间的差异大小","总体均数标准误",[],[15,29,40,51,62,73,84,95,105,117],{"id":16,"source":5,"question":17,"options":18,"answer":24,"related":25,"type":26,"origin":27,"createTime":28},211488129,"单因素方差分析的目的是检验",[19,20,21,22,23],"多个样本均数是否相同","多个总体均数是否相同","多个样本方差的差别有无显著性","多个总体方差的差别有无显著性","以上都不对",[],[],0,null,"2025-07-05T10:18:57+08:00",{"id":30,"source":5,"question":31,"options":32,"answer":38,"related":39,"type":26,"origin":27,"createTime":28},211488131,"正态曲线下、横轴上,从均数μ到μ+1.96σ的面积为",[33,34,35,36,37],"95%","45%","97.5%","47.5%","不能确定(与标准差的大小有关)",[],[],{"id":41,"source":5,"question":42,"options":43,"answer":49,"related":50,"type":26,"origin":27,"createTime":28},211488134,"平均数表示一组性质相同的变量值的",[44,45,46,47,48],"离散趋势","分布情况","集中趋势","精确度","准确度",[],[],{"id":52,"source":5,"question":53,"options":54,"answer":60,"related":61,"type":26,"origin":27,"createTime":28},211488137,"比较身高和体重两组数据变异度大小宜采用",[55,56,57,58,59],"变异系数","方差","极差","标准差","四分位数间距",[],[],{"id":63,"source":5,"question":64,"options":65,"answer":71,"related":72,"type":26,"origin":27,"createTime":28},211488141,"当原始数据分布不明时,表示其集中趋势的指标",[66,67,68,69,70],"用几何均数合理","用均数合理","用中位数和均数都合理","用几何均数和中位数都合理","用中位数合理",[],[],{"id":74,"source":5,"question":75,"options":76,"answer":82,"related":83,"type":26,"origin":27,"createTime":28},211488145,"统计分析的主要内容有",[77,78,79,80,81],"描述性统计和统计学检验","区间估计与假设检验","统计图表和统计报告","描述性统计和分析性统计","描述性统计和统计图表",[],[],{"id":85,"source":5,"question":86,"options":87,"answer":93,"related":94,"type":26,"origin":27,"createTime":28},211488149,"从一个数值变量资料的总体中抽样,产生抽样误差的原因是",[88,89,90,91,92],"总体中的个体值存在差别","总体均数不等于零","样本中的个体值存在差别","样本均数不等于零","样本只包含总体的一部分",[],[],{"id":96,"source":5,"question":97,"options":98,"answer":103,"related":104,"type":26,"origin":27,"createTime":28},211488153,"计算某抗体滴度的平均水平,一般宜选择",[99,100,101,102,57],"算术平均数","几何均数","中位数","百分位数",[],[],{"id":106,"source":5,"question":107,"options":108,"answer":114,"related":115,"type":26,"origin":27,"createTime":116},211488157,"频数分布的两个重要特征是",[109,110,111,112,113],"总体和样本","总体均数和样本均数","总体标准差和样本标准差","集中趋势和离散趋势","参数与统计量",[],[],"2025-07-05T10:18:58+08:00",{"id":4,"source":5,"question":6,"options":118,"answer":119,"related":120,"type":26,"origin":27,"createTime":116},[8,9,10,11,12],[],[],{"courseName":122,"courseImg":123,"workName":124,"workId":125,"count":126,"courseId":127},"卫生学","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb30d966c11cf5eb50d744ee5cd1d88dd.jpg","医学统计学 章节练习测试","exam_165479932",25,"21705b86726f3c688faa8e5941ef3a67"]