[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJZrFSTOSygClxSr2M1hA8D1dy_qz8S7P4c1HOw6J-j8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":28,"type":29},[],"2024-01-02 21:13:39",117183804,[8,9,10,11],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2236d176b8a6998c0b4b38a3b929fb59.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff02e054078e43020f694b872567ee69e.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3c0ffe0c45486999dae1f09a191dd8dc.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8ceb4ec04c768dfef675652a0c4e240d.png\">",{"courseId":13,"courseImg":14,"courseName":15},"3ad5d42031b9df19154f0dc92d819718","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5064509a70b4af9e2501cfa4f3d64855.png","概率论与数理统计（仅用于完成作业及单元自测线上部分）","设总体\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F437299dcb57066aa948a140a21edab01.png\">,其中\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F06531f6b3b07c46ccdc3191c54f6ee0e.png\">为来自总体的样本,则下列统计量中不是未知参数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed1f4d3c386f168f6dd71edf78235307.png\">的无偏估计的是( )",[18,30,39,48,51,60,69,78,87,96],{"answer":19,"createTime":20,"id":21,"options":22,"question":27,"source":28,"type":29},[],"2024-01-02 21:13:38",117183793,[23,24,25,26],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd0edd8cbef7c46c0d5da5297ad732e20.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcc03cead35158f34e3d37470d37bdb30.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F63bb8e5949e936b3586d218a9fa596c0.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe1b84f7a029f3b0b866d471529fdae75.png\">","设\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3749723fbe8a1474c9d5085e06c833e2.png\">为来自总体\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe22a13f7edcffe98b7a922d3fe5be3b8.png\">的样本,且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F27344b8e07cd0ec70cf8c3ddf911aefa.png\">、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc0fb24aea867ce70298a70474708d376.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed1f4d3c386f168f6dd71edf78235307.png\">、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2107390c4d3868215a99042d7cbc888a.png\">是未知参数,取\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed1f4d3c386f168f6dd71edf78235307.png\">的以下无偏估计\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fddea6d9955ebebc1807afe55f4bf9d41.png\">,其中( )最有效","v1",0,{"answer":31,"createTime":20,"id":32,"options":33,"question":38,"source":28,"type":29},[],117183796,[34,35,36,37],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcf97d5c97e54dfa737388e5f8a9d67c8.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F335a22d904050e2f1f78f467845d3d92.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2115844725553d8453c4addce9a2d901.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8b60b0d78d86624ecb1edd7ccb206bbe.png\">","设\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1afd950894fce4fe04bcb3d3b9f86ede.png\">为来自总体\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe22a13f7edcffe98b7a922d3fe5be3b8.png\">的样本,且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F27344b8e07cd0ec70cf8c3ddf911aefa.png\">、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc0fb24aea867ce70298a70474708d376.png\">均未知,则( )是\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2107390c4d3868215a99042d7cbc888a.png\">的无偏估计",{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":28,"type":29},[],117183800,[43,44,45,46],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7155f1ce852858cf1b3003bab81e814d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F390f9c6edd74b32e288a47dc215832f4.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F516a67c6652900dcdef908c5989b64a1.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F828f6963feedbedabccdbcb3112a237e.png\">","设总体\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa2dc3c81d3d5cffe3c09077f1188e3d7.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1afd950894fce4fe04bcb3d3b9f86ede.png\">为来自总体的样本,则总体参数\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F142ef139a8c5575b3688ddbd70049d88.png\">的矩估计量为( )",{"answer":49,"createTime":5,"id":6,"options":50,"question":16,"source":28,"type":29},[],[8,9,10,11],{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":28,"type":29},[],117183808,[55,56,57,58],"用样本均值估计总体均值","总体参数的矩估计量是唯一的","矩估计的思想是用样本矩的连续函数估计相应总体矩的连续函数","用样本方差估计总体方差","下列描述不正确的是( )",{"answer":61,"createTime":20,"id":62,"options":63,"question":68,"source":28,"type":29},[],117183814,[64,65,66,67],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd9623b0240282dec55da5b75ac51b7db.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F92e14ea577b7634b9b1dfd06a4eed99f.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb0b07dd3e4761ebd9ae504c9afdf720a.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F803637ec8e828b35741e2ca3d511d58a.png\">","设\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1afd950894fce4fe04bcb3d3b9f86ede.png\">为来自总体\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe22a13f7edcffe98b7a922d3fe5be3b8.png\">的样本,且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F27344b8e07cd0ec70cf8c3ddf911aefa.png\">、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc0fb24aea867ce70298a70474708d376.png\">均未知,则( )是\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed1f4d3c386f168f6dd71edf78235307.png\">的无偏估计",{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":28,"type":29},[],117183817,[73,74,75,76],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F042f635cffd2de2e356153d74984e33e.png\">是λ的矩估计量,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F667758f6169d32dd210aec0656492b66.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F042f635cffd2de2e356153d74984e33e.png\">是λ的无偏估计量","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd32c5fffa6070cf7e8d033d771ff368e.png\">是λ的矩估计量,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0b54699644dc42fc7b312a0693e9533d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd32c5fffa6070cf7e8d033d771ff368e.png\">是λ的无偏估计量","设总体X服从参数为λ的泊松分布,X1,X2,…,Xn是来自总体X的样本,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4f78a90b9c1cf5f198234b153426673a.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Faa508bf23cf1aeae53d1ec6fe6bd148f.png\">,则下列结论不正确的是( )",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":28,"type":29},[],117183826,[82,83,84,85],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2107390c4d3868215a99042d7cbc888a.png\">的无偏估计量","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed1f4d3c386f168f6dd71edf78235307.png\">的无偏估计量","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2107390c4d3868215a99042d7cbc888a.png\">的矩估计量","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed1f4d3c386f168f6dd71edf78235307.png\">的矩估计量","设总体\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F437299dcb57066aa948a140a21edab01.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1afd950894fce4fe04bcb3d3b9f86ede.png\">为来自总体\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe22a13f7edcffe98b7a922d3fe5be3b8.png\">的样本,若\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed1f4d3c386f168f6dd71edf78235307.png\">、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2107390c4d3868215a99042d7cbc888a.png\">均未知,则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F335a22d904050e2f1f78f467845d3d92.png\">是( )",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":28,"type":29},[],117183829,[91,92,93,94],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7621db6c4b756ddada9c82b2499bc067.png\">是\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed1f4d3c386f168f6dd71edf78235307.png\">的无偏估计","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F945c3ec9d73cdbf4c20a42dbd1213885.png\">比\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F427493f2490e48e014b692937d726cae.png\">有效","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff32c192991ce385511e1b065031cfcb3.png\">是\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed1f4d3c386f168f6dd71edf78235307.png\">的无偏估计","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F427493f2490e48e014b692937d726cae.png\">比\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F945c3ec9d73cdbf4c20a42dbd1213885.png\">有效","设\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3749723fbe8a1474c9d5085e06c833e2.png\">为来自总体\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe22a13f7edcffe98b7a922d3fe5be3b8.png\">的样本,且\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F27344b8e07cd0ec70cf8c3ddf911aefa.png\">、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc0fb24aea867ce70298a70474708d376.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fed1f4d3c386f168f6dd71edf78235307.png\">、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2107390c4d3868215a99042d7cbc888a.png\">是未知参数,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff32c192991ce385511e1b065031cfcb3.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7621db6c4b756ddada9c82b2499bc067.png\">,下面结论错误的是( )",{"answer":97,"createTime":5,"id":98,"options":99,"question":104,"source":28,"type":29},[],117183838,[100,101,102,103],"样本矩的函数","无偏估计","总体矩的函数","有效估计","矩估计必然是( )"]