[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f9o2VT3oqU1O4iocg1EHCqR2nqtLgrFmxRItljnotsa8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2023-05-12 22:20:57",8289901,[8,9,10,11],"可以转换为定量资料","各等级之间的差别不可度量","可以转换为分类资料","各等级之间只有顺序而无数值大小关系",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},3,"15c2fb58100d5cd05804bfa4f1ea7c5c","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff395dbd29c826b8a742639f6e820795b.png","医学统计学","849585c7cf9e48d195c3db71092bb30d","9.1秩次和秩和","对于等级资料,下列说法不正确的是________",[21,26,35],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],8289902,[30,31,32,33],"凡是相同数据均需要取平均秩次","凡是同组的相同数据就要取平均秩次","凡属不同组的相同数据就要取平均秩次","凡属不同组的相同数据,经相加后取平均秩次","对两组资料进行秩和检验,在编秩次时,需要取平均秩次的情况是",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],8289903,[39,40,41,42],"110","121","231","115.5","检测了两组患者的心功能分级,结果如下,a组:ⅰ、ⅱ、ⅳ、ⅰ、ⅲ、ⅱ、ⅳ、ⅲ、ⅳ、ⅱ;b组:ⅲ、ⅱ、ⅳ、ⅰ、ⅱ、ⅲ、ⅲ、ⅳ、ⅳ、ⅱ、ⅳ;则a组患者的理论秩和为________"]