[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fMeAY2CA3LNYcXTZ6StQ7C5qpPGM5cXSuFc8jOPCEWJY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":32,"type":33},[],"2023-05-11 16:50:50",5537976,[8,9,10,11,12],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd8902c3a5ed42b7662c6bd64ec164bae.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc583dc8ecfb74730ee753fb774863c01.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa6c0c2c5f57ddb44a0fe550ac71da56d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F11ed73abd76ccefa2f279fdff1553102.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd1871f46312630a503624354bac6d8f9.png\">",{"count":14,"courseId":15,"courseImg":16,"courseName":17,"workId":18,"workName":19},66,"a0921191798a1832ddd1f1046e6fe838","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbde27745460fab3f3c60d6a71f81abcb.png","临床流行病与医学统计学","b17058d055ac42a0b63ffeb99a3f26b5","方差分析","完全随机设计的方差分析中,下列式子中正确的是",[22,34,45,48,58,68,78,88,98,108],{"answer":23,"createTime":5,"id":24,"options":25,"question":31,"source":32,"type":33},[],5537974,[26,27,28,29,30],"组间变异必然大于组内变异","误差变异必然小于组间变异","总变异及其自由度按设计可以分解成几种不同来源","组内方差大于组间方差时,该因素对所考察指标的影响显著","组间方差大于组内方差时,该因素对所考察指标的影响显著","关于方差分析的基本思想以下表达正确的是","v1",0,{"answer":35,"createTime":36,"id":37,"options":38,"question":44,"source":32,"type":33},[],"2025-08-07 09:43:54",5537975,[39,40,41,42,43],"理论上不同","完全等价且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F87adb05470b09c40eea985a9745dbead.png\">","完全等价,且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5bc3bb4b6a7596c7412fea1d633f7f1f.png\">","不同,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdd52de0766cd73039ebb0c0c04cf0443.png\">检验的结果更可靠","不同,方差分析的结果更可靠","同一两独立(成组)样本均数比较中,方差分析的结果与t检验的结果间的关系是",{"answer":46,"createTime":5,"id":6,"options":47,"question":20,"source":32,"type":33},[],[8,9,10,11,12],{"answer":49,"createTime":5,"id":50,"options":51,"question":57,"source":32,"type":33},[],5537977,[52,53,54,55,56],"各样本均数间差异均有统计学意义","各总体均数间差异均有统计学意义","各样本均数不全相等","各总体均数不全相等","各总体方差不全相等","方差分析结果,有\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fde388a0788a73c9cfa6c2795fd3cd950.png\">,则按\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5c394f0c0607dfb5fb46c85517c4fa45.png\">检验水准,认为",{"answer":59,"createTime":5,"id":60,"options":61,"question":67,"source":32,"type":33},[],5537978,[62,63,64,65,66],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F228b611a6996b956a26d37082020e848.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F754cd26709a2f9940785c20402c6b081.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff6c16203c73e2222e0b137989cb52034.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8349fa915a6cbcde68def9ce485818c8.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffd117c2f2ede1c7090494bcb158c3acd.png\">","随机区组设计资料的方差分析中,以下对各变异间关系表达正确的是",{"answer":69,"createTime":5,"id":70,"options":71,"question":77,"source":32,"type":33},[],5537979,[72,73,74,75,76],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa5ffa8bcab8471bfc7d87afe1988d0cb.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2eb4b63f9a411a9138713366012893c6.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1f2bde0b77d07f0ea20f2bd5143ab7b5.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd9ca3fda39038e3a4b2c9742d2dc11c7.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F65fe9ad578f654a1b1c038b5cec836b3.png\">","对有k个处理组,b个区组的随机区组设计资料,进行双因素方差分析,其误差的自由度为",{"answer":79,"createTime":5,"id":80,"options":81,"question":87,"source":32,"type":33},[],5537980,[82,83,84,85,86],"39","36","26","4","3","某研究者在4种不同温度下分别独立地重复10次实验,共测得某定量指标的数据40个,若采用单因素方差分析进行统计处理,其组间自由度是",{"answer":89,"createTime":36,"id":90,"options":91,"question":97,"source":32,"type":33},[],5537981,[92,93,94,95,96],"Z检验","t检验","Dunnett–t检验","SNK–q检验","Levene检验","采用单因素方差分析比较5个总体均数得\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F38c99e3629602ac0e50fa61f1e68a105.png\">,若需进一步了解其中一个对照组和其它4个试验组总体均数有无差异,可选用的检验方法是",{"answer":99,"createTime":36,"id":100,"options":101,"question":107,"source":32,"type":33},[],5537982,[102,103,104,105,106],"犯I型错误,且犯错误概率大于0.05","犯I型错误,且犯错误概率等于0.05","犯I型错误,且犯错误概率小于0.05","犯II型错误,犯错误概率为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5c2d3c4e04d240cee11d6591dcfc552f.png\">,但\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5c2d3c4e04d240cee11d6591dcfc552f.png\">未知","犯II型错误,犯错误概率为1-\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5c2d3c4e04d240cee11d6591dcfc552f.png\">,但\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5c2d3c4e04d240cee11d6591dcfc552f.png\">未知","利用抽样研究数据比较3个总体均数有无差别,进行3次组间两两t检验,每次检验水准均设定为0.05,若根据其结果认为"3个总体均数存在差别",则可能",{"answer":109,"createTime":5,"id":110,"options":111,"question":117,"source":32,"type":33},[],5537983,[112,113,114,115,116],"F<0","F≈0","F<1","F≈1","F>1","利用抽样研究数据比较3个总体均数有无差别,经方差分析得\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F317accdc09564769603952b656c59dc2.png\">,则其检验统计量"]