{"id":2302,"date":"2026-04-25T02:40:43","date_gmt":"2026-04-25T02:40:43","guid":{"rendered":"https:\/\/77.buffdemo.com\/index.php\/2026\/04\/25\/toan-thuc-te-chuyen-de-thong-ke\/"},"modified":"2026-04-25T02:40:43","modified_gmt":"2026-04-25T02:40:43","slug":"toan-thuc-te-chuyen-de-thong-ke","status":"publish","type":"post","link":"https:\/\/77.buffdemo.com\/index.php\/2026\/04\/25\/toan-thuc-te-chuyen-de-thong-ke\/","title":{"rendered":"To\u00e1n th\u1ef1c t\u1ebf chuy\u00ean \u0111\u1ec1 Th\u1ed1ng k\u00ea"},"content":{"rendered":"<div class=\"entry-content single-page\">\n<p>Chia s\u1ebb to\u00e1n th\u1ef1c t\u1ebf chuy\u00ean \u0111\u1ec1 Th\u1ed1ng k\u00ea nh\u01b0 kho\u1ea3ng bi\u1ebfn thi\u00ean, kho\u1ea3ng t\u1ee9 ph\u00e2n v\u1ecb, ph\u01b0\u01a1ng sai, \u0111\u1ed9 l\u1ec7ch chu\u1ea9n,..<\/p>\n<div class=\"code-block code-block-2\" style=\"margin: 8px auto; text-align: center; display: block; clear: both;\">\n<div> <\/div>\n<\/div>\n<h2 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-16ad9000105e22e6c15e37e954a2341c\" id=\"h-n\u1ed9i-dung-tai-li\u1ec7u-toan-th\u1ef1c-t\u1ebf-chuyen-d\u1ec1-th\u1ed1ng-ke\"><span class=\"ez-toc-section\" id=\"Noi_dung_tai_lieu_Toan_thuc_te_chuyen_de_Thong_ke\"><\/span>N\u1ed9i dung t\u00e0i li\u1ec7u To\u00e1n th\u1ef1c t\u1ebf chuy\u00ean \u0111\u1ec1 Th\u1ed1ng k\u00ea<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c n\u1ed9i dung ch\u00ednh bao g\u1ed3m:<\/p>\n<h3 class=\"wp-block-heading\" id=\"h-a-ki\u1ebfn-th\u1ee9c-c\u01a1-b\u1ea3n-c\u1ea7n-n\u1eafm\"><span class=\"ez-toc-section\" id=\"A_Kien_thuc_co_ban_can_nam\"><\/span><strong>A. Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n c\u1ea7n n\u1eafm:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Kho\u1ea3ng bi\u1ebfn thi\u00ean:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ecbnh ngh\u0129a<\/li>\n<\/ul>\n<ul class=\"wp-block-list\">\n<li>\u00dd ngh\u0129a: \u0110o m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u00e1n c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u gh\u00e9p nh\u00f3m, R c\u00e0ng l\u1edbn th\u00ec d\u1eef li\u1ec7u c\u00e0ng ph\u00e2n t\u00e1n.<\/li>\n<\/ul>\n<ul class=\"wp-block-list\">\n<li>L\u01b0u \u00fd: Kho\u1ea3ng bi\u1ebfn thi\u00ean c\u1ee7a MSL gh\u00e9p nh\u00f3m lu\u00f4n kho\u1ea3ng bi\u1ebfn thi\u00ean c\u1ee7a MSL g\u1ed1c.<\/li>\n<\/ul>\n<p><strong>Kho\u1ea3ng t\u1ee9 ph\u00e2n v\u1ecb<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li>\u00dd ngh\u0129a: \u0110o m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u00e1n c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u gh\u00e9p nh\u00f3m (ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o n\u1eeda gi\u1eefa), $Q$ c\u00e0ng l\u1edbn th\u00ec d\u1eef li\u1ec7u c\u00e0ng ph\u00e2n t\u00e1n.<\/li>\n<\/ul>\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb ngo\u1ea1i l\u1ec7: Gi\u00e1 tr\u1ecb $x$ l\u00e0 ngo\u1ea1i l\u1ec7 n\u1ebfu $x &gt; Q_3 + 1,5\\Delta_Q$ ho\u1eb7c $x &lt; Q_1 \u2013 1,5\\Delta_Q$.<\/li>\n<\/ul>\n<p><strong>Ph\u01b0\u01a1ng sai v\u00e0 \u0110\u1ed9 l\u1ec7ch chu\u1ea9n:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li>\u00dd ngh\u0129a: Ph\u01b0\u01a1ng sai v\u00e0 \u0111\u1ed9 l\u1ec7ch chu\u1ea9n x\u1ea5p x\u1ec9 cho MSL g\u1ed1c, d\u00f9ng \u0111\u1ec3 \u0111o m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u00e1n, c\u00e0ng l\u1edbn th\u00ec d\u1eef li\u1ec7u c\u00e0ng ph\u00e2n t\u00e1n. \u0110\u1ed9 l\u1ec7ch chu\u1ea9n c\u00f3 c\u00f9ng \u0111\u01a1n v\u1ecb v\u1edbi \u0111\u01a1n v\u1ecb c\u1ee7a m\u1eabu s\u1ed1 li\u1ec7u.<\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\" id=\"h-b-bai-t\u1eadp-v\u1eadn-d\u1ee5ng\"><span class=\"ez-toc-section\" id=\"B_Bai_tap_van_dung\"><\/span><strong>B. B\u00e0i t\u1eadp v\u1eadn d\u1ee5ng:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u00e0i li\u1ec7u bao g\u1ed3m 28 c\u00e2u h\u1ecfi b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng (t\u1eeb C\u00e2u 1 \u0111\u1ebfn C\u00e2u 28) li\u00ean quan \u0111\u1ebfn c\u00e1c ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n \u0111\u00e3 n\u00eau, t\u1eadp trung v\u00e0o vi\u1ec7c:<\/p>\n<ul class=\"wp-block-list\">\n<li>T\u00ednh Kho\u1ea3ng bi\u1ebfn thi\u00ean\u00a0cho m\u1eabu s\u1ed1 li\u1ec7u gh\u00e9p nh\u00f3m (C\u00e2u 1, 2a, 3, 4, 11a, 12a, 13a, 27a, 27c).<\/li>\n<li>T\u00ednh Kho\u1ea3ng t\u1ee9 ph\u00e2n v\u1ecb cho m\u1eabu s\u1ed1 li\u1ec7u gh\u00e9p nh\u00f3m (C\u00e2u 6, 7, 8c, 9b, 10, 11a, 12b, 13a, 23b, 27a, 27c).<\/li>\n<li>T\u00ednh Ph\u01b0\u01a1ng sai v\u00e0 \u0110\u1ed9 l\u1ec7ch chu\u1ea9n\u00a0cho m\u1eabu s\u1ed1 li\u1ec7u gh\u00e9p nh\u00f3m (C\u00e2u 15b, 16, 17, 18, 19, 20a, 21a, 22a, 23c, 24a, 25, 26a, 27a, 27c, 28b).<\/li>\n<li>So s\u00e1nh\u00a0m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u00e1n c\u1ee7a c\u00e1c m\u1eabu s\u1ed1 li\u1ec7u (C\u00e2u 2b, 3, 5, 10, 11b, 12c, 14b, 15, 17, 18, 20b, 21b, 22b, 23, 25, 26b).<\/li>\n<li>X\u00e1c \u0111\u1ecbnh\u00a0gi\u00e1 tr\u1ecb ngo\u1ea1i l\u1ec7 (C\u00e2u 13b).<\/li>\n<li>L\u1eadp b\u1ea3ng t\u1ea7n s\u1ed1 gh\u00e9p nh\u00f3m\u00a0t\u1eeb d\u1eef li\u1ec7u g\u1ed1c ho\u1eb7c bi\u1ec3u \u0111\u1ed3 (C\u00e2u 8b, 9a, 14a, 27b, 28a).<\/li>\n<li>T\u00ednh s\u1ed1 trung b\u00ecnh (C\u00e2u 10, 23a, 24a, 28b).<\/li>\n<li>N\u00eau \u00fd ngh\u0129a\u00a0c\u1ee7a c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng th\u1ed1ng k\u00ea (C\u00e2u 4, 24b, 28c).<\/li>\n<\/ul>\n<p class=\"has-text-align-center\"><strong>Xem tr\u01b0\u1edbc t\u00e0i li\u1ec7u:<\/strong><\/p>\n<p class=\"has-text-align-center\"><iframe loading=\"lazy\" allow=\"autoplay\" height=\"480\" src=\"https:\/\/drive.google.com\/file\/d\/1nJEE_aa2aDp0e4RgqsGFmEhHnMVhuKa2\/preview\" width=\"640\"><\/iframe><\/p>\n<h2 class=\"wp-block-heading has-vivid-red-color has-text-color has-link-color wp-elements-94a71854f636b4b8e3949e522740a98a\" id=\"h-t\u1ea3i-tai-li\u1ec7u-toan-th\u1ef1c-t\u1ebf-chuyen-d\u1ec1-th\u1ed1ng-ke\"><span class=\"ez-toc-section\" id=\"Tai_tai_lieu_Toan_thuc_te_chuyen_de_Thong_ke\"><\/span>T\u1ea3i t\u00e0i li\u1ec7u To\u00e1n th\u1ef1c t\u1ebf chuy\u00ean \u0111\u1ec1 Th\u1ed1ng k\u00ea<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c b\u1ea1n c\u00f3 th\u1ec3 t\u1ea3i t\u00e0i li\u1ec7u \u00f4n t\u1eadp mi\u1ec5n ph\u00ed \u1edf \u0111\u00e2y nh\u00e9<\/p>\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-luminous-vivid-orange-background-color has-text-color has-background has-link-color has-text-align-center wp-element-button\" href=\"https:\/\/drive.google.com\/drive\/folders\/1hF9V-Utoav-IhRoH3Er2U82IRKpgagxt?usp=sharing\" rel=\"noreferrer noopener nofollow\" target=\"_blank\"><strong>T\u1ea2I T\u00c0I LI\u1ec6U (\u0110\u1ec0 + \u0110\u00c1P \u00c1N)<\/strong><\/a><\/div>\n<\/div>\n<p>Tham kh\u1ea3o:<strong><a href=\"https:\/\/tailieuonthi.org\/toan-thuc-te-chuyen-de-gia-tri-lon-nhat-nho-nhat-ham-so\/\" rel=\"noreferrer noopener\" target=\"_blank\"> <\/a><a href=\"https:\/\/tailieuonthi.org\/toan-thuc-te-chuyen-de-ung-dung-dao-ham\/\" rel=\"noreferrer noopener\" target=\"_blank\">To\u00e1n th\u1ef1c t\u1ebf chuy\u00ean \u0111\u1ec1 \u1ee9ng d\u1ee5ng \u0111\u1ea1o h\u00e0m gi\u1ea3i c\u00e1c b\u00e0i to\u00e1n th\u1ef1c ti\u1ec5n<\/a><\/strong><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Chia s\u1ebb to\u00e1n th\u1ef1c t\u1ebf chuy\u00ean \u0111\u1ec1 Th\u1ed1ng k\u00ea nh\u01b0 kho\u1ea3ng bi\u1ebfn thi\u00ean, kho\u1ea3ng t\u1ee9 ph\u00e2n v\u1ecb, ph\u01b0\u01a1ng sai, \u0111\u1ed9 l\u1ec7ch chu\u1ea9n,.. N\u1ed9i dung t\u00e0i li\u1ec7u To\u00e1n th\u1ef1c t\u1ebf chuy\u00ean \u0111\u1ec1 Th\u1ed1ng k\u00ea C\u00e1c n\u1ed9i dung ch\u00ednh bao g\u1ed3m: A. Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n c\u1ea7n n\u1eafm: Kho\u1ea3ng bi\u1ebfn thi\u00ean: \u0110\u1ecbnh ngh\u0129a \u00dd ngh\u0129a: \u0110o m\u1ee9c [&#8230;]\n","protected":false},"author":1,"featured_media":2301,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,26],"tags":[],"class_list":["post-2302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tai-lieu-toan","category-toan-12"],"_links":{"self":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts\/2302","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/comments?post=2302"}],"version-history":[{"count":0,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/posts\/2302\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/media\/2301"}],"wp:attachment":[{"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/media?parent=2302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/categories?post=2302"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/77.buffdemo.com\/index.php\/wp-json\/wp\/v2\/tags?post=2302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}