[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fOj_f7KkWHYo_KGGSsGimhJI6mZIDNjXkVA57NpZlb3A":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2023-05-10 19:44:01",4489160,[8,9,10,11],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5205c6896beb13f70b7a0515320283ca.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F652a72ba38aea2378daa0057309188bd.gif\">","至少有两个总体均数不相等","各总体均数不相等",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},17,"ef9fc28293f29e1dfa25854b3308f834","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F14ac3814f3dd86d90378c8ea43bec34c.jpg","医学统计学","2ae762df992940b1a34f7e1c1b78004b","第四章测验","多组均数比较的方差分析,其备择假设H1应为( )",[21,33,43,53,63,73,83,93,103,106],{"answer":22,"createTime":5,"id":23,"options":24,"question":30,"source":31,"type":32},[],4489152,[25,26,27,28,29],"组间均方大于组内均方","组内均方大于组间均方","不同来源的方差必须相等","两方差之比服从F分布","总变异及其自由度可按不同来源分解","方差分析的基本思想和要点是( )","v1",0,{"answer":34,"createTime":5,"id":35,"options":36,"question":42,"source":31,"type":32},[],4489153,[37,38,39,40,41],"各比较组相应的样本方差相等","各比较组相应的总体方差相等","组内方差=组间方差","总方差=各组方差之和","总方差=组内方差 + 组间方差","方差分析的应用条件之一是方差齐性,它是指( )",{"answer":44,"createTime":5,"id":45,"options":46,"question":52,"source":31,"type":32},[],4489154,[47,48,49,50,51],"随机测量误差大小","某因素效应大小","处理因素效应与随机误差综合结果","全部数据的离散度","各组方差的平均水平","完全随机设计方差分析中的组间均方反映的是( )",{"answer":54,"createTime":5,"id":55,"options":56,"question":62,"source":31,"type":32},[],4489155,[57,58,59,60,61],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff6dea81f3765388149e61322c48a2ae2.gif\">检验结果更准确","方差分析结果更准确","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff6dea81f3765388149e61322c48a2ae2.gif\">检验对数据的要求更为严格","近似等价","完全等价","对于两组资料的比较,方差分析与t检验的关系是( )",{"answer":64,"createTime":5,"id":65,"options":66,"question":72,"source":31,"type":32},[],4489156,[67,68,69,70,71],"两均数的t检验","区组方差分析","方差齐性检验","q检验","确定单独效应","多组均数比较的方差分析,如果P<0.05,则应该进一步做的是( )",{"answer":74,"createTime":5,"id":75,"options":76,"question":82,"source":31,"type":32},[],4489157,[77,78,79,80,81],"各总体均数相同","各总体均数各不相同","各总体均数不相同或不全相同","各样本均数不相同或不全相同","各样本均数相同","单因素的方差分析时,若F>F临界值,可认为( )",{"answer":84,"createTime":5,"id":85,"options":86,"question":92,"source":31,"type":32},[],4489158,[87,88,89,90,91],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F671a3f96885aee5023a9db858b7ba6af.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fba348b299203dfc9dfd828f3e555c778.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc1f641e90e365c56745fbbe79a2025ad.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcba88a35296aa2e8cfcb3ae9d3e028b1.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F58573b2ac853ac85645e3e39ce499d68.gif\">","成组设计的方差分析中总有( )",{"answer":94,"createTime":5,"id":95,"options":96,"question":102,"source":31,"type":32},[],4489159,[97,98,99,100,101],"方差除以其自由度就是均方","方差分析时要求各样本来自独立的正态总体","方差分析时要求各样本所在总体的方差相等","完全随机设计的方差分析时,组内均方就是误差均方","多个样本均数的两两比较不宜再用\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff6dea81f3765388149e61322c48a2ae2.gif\">检验","以下说法中不正确的是( )",{"answer":104,"createTime":5,"id":6,"options":105,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":107,"createTime":5,"id":108,"options":109,"question":113,"source":31,"type":32},[],4489161,[8,110,111,112],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5cc1b3180d6968f4b152575c8b072f71.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0075ab49fb9c2ad12a2f6becb2d5b809.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2e4b4f56c653821e56c9b28f92db4a13.gif\">","单因素设计方差分析中处理组为四组时,无效假设为( )"]