[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f6nhoFCxTYgBAGcbHidFlGeQ12MmoyA6hnqbTdgT0QFo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":32,"type":33},[],"2024-12-31 17:31:30",175499114,[8,9,10,11,12],"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",{"count":14,"courseId":15,"courseImg":16,"courseName":17,"workId":18,"workName":19},12,"06e3187ac755ffa31d67d09c15298b56","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9d91d26920eea20991e8eb1513dcb574.jpg","2024年秋《预防医学》","work_40062297","《方差分析》练习","以下说法中不正确的是",[22,34,44,54,64,74,83,86,95,103],{"answer":23,"createTime":5,"id":24,"options":25,"question":31,"source":32,"type":33},[],175499098,[26,27,28,29,30],"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":35,"createTime":5,"id":36,"options":37,"question":43,"source":32,"type":33},[],175499101,[38,39,40,41,42],"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":45,"createTime":5,"id":46,"options":47,"question":53,"source":32,"type":33},[],175499104,[48,49,50,51,52],"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":55,"createTime":5,"id":56,"options":57,"question":63,"source":32,"type":33},[],175499106,[58,59,60,61,62],"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":65,"createTime":5,"id":66,"options":67,"question":73,"source":32,"type":33},[],175499108,[68,69,70,71,72],"各总体均数相等","各总体均数各不相等","各总体均数不相等或不全相等","各样本均数不相等或不全相等","各样本均数相等","单因素的方差分析时,若F>F临界值,可认为",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":32,"type":33},[],175499111,[78,79,80,81],"\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\u002Fcba88a35296aa2e8cfcb3ae9d3e028b1.gif\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F58573b2ac853ac85645e3e39ce499d68.gif\">","单因素方差分析中总有",{"answer":84,"createTime":5,"id":6,"options":85,"question":20,"source":32,"type":33},[],[8,9,10,11,12],{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":32,"type":33},[],175499117,[90,91,92,93],"\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","各总体均数全不相等","多组均数比较的方差分析,其备择假设H1应为",{"answer":96,"createTime":5,"id":97,"options":98,"question":102,"source":32,"type":33},[],175499120,[90,99,100,101],"\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",{"answer":104,"createTime":5,"id":105,"options":106,"question":111,"source":32,"type":33},[],175499123,[107,108,109,110],"28","31","32","30","单因素设计资料的方差分析结果所比较的临界值是\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F58a4c32048e95b563d4e0ef4cbedaa76.gif\">,据此推断资料总例数为"]