[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJUia3MfMMgfprumpISpKcZ1UUPGpSsDLX9pj3rN4dsI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2024-09-15 17:38:17",159466429,[8,9,10,11],"语文","数学","外语","无法比较",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},2,"7bda09c99d576511e2de8491a850b6b2","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa75779a048cb507909e5581703b5476a.png","教育统计与测量","d417d2d75ed04d55ad4228aefd54fbd1","差异量数习题作业1","某班期末考试,语文平均成绩82分,标准差6.5分,数学平均成绩为75分,标准差为5.9分,外语成绩66分,标准差为8分,问那一科成绩的离散程度大",[21,26],{"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":33,"source":24,"type":25},[],159466430,[30,31,32,11],"语文成绩好于数学","数学成绩好于语文","一样好","某市中考,数学的平均成绩为102分,标准差为20分,语文平均成绩为98分,标准差18分,一位考生数学成绩为140,语文成绩为135,请问该生中考哪科考得好一些"]